Humayun's Tomb
Humayun's Tomb is the mausoleum of the second Mughal emperor, Nasir-ud-Din Muhammad Humayun, located in the Nizamuddin area of Delhi, India.[1] Commissioned in 1565 by his chief consort, Empress Bega Begum (also known as Haji Begum), following his death in 1556, the structure was designed by the Persian architect Mirak Mirza Ghiyas and his son Sayyid Muhammad, with additional patronage from Humayun's son, Emperor Akbar.[2][3] Construction spanned from approximately 1565 to 1571, marking it as one of the earliest large-scale Mughal monuments.[1] The tomb exemplifies pioneering Mughal architectural synthesis of Persian and Indian elements, including a charbagh garden divided into four quadrants symbolizing the Islamic paradise, an octagonal base, and a towering double dome reaching 42.5 meters, clad in red sandstone and white marble.[1] As the first garden-tomb on the Indian subcontinent, it established precedents for symmetrical planning, high plinths, and vaulted chambers that influenced subsequent imperial mausoleums, notably the Taj Mahal.[1] Designated a UNESCO World Heritage Site in 1993 for its cultural significance under criteria (ii) and (iv), the complex encompasses over 27 hectares and houses burials of numerous Mughal royals, underscoring its role as a dynastic necropolis.[1] Restoration efforts since the late 1990s by the Archaeological Survey of India and the Aga Khan Trust for Culture have preserved its structural integrity amid urban pressures.[1]Overview
Location and Basic Description
Humayun's Tomb is situated in Nizamuddin East, Delhi, India, at coordinates 28°35′36″N 77°15′02″E, adjacent to the Yamuna River and near the historic Nizamuddin Dargah.[4][1] The site occupies a 27.04-hectare complex that includes the main mausoleum and surrounding garden enclosures, as well as auxiliary structures such as the Arab Serai and other subsidiary tombs.[1] The mausoleum serves as the primary burial site for Mughal Emperor Humayun, the second ruler of the dynasty, who died in 1556. Commissioned by his principal consort, Bega Begum (also known as Haji Begum), construction began in 1565 using her personal resources and was completed in 1572, with additional patronage from Humayun's son, Emperor Akbar.[1][5][6] The structure exemplifies early Mughal architecture through its use of red sandstone cladding over dressed stone bases, accented with white and black marble inlays, and a towering double dome reaching 42.5 meters in height.[1][5] Enclosed within a pioneering charbagh garden layout—divided into four quadrants by axial walkways and central water channels—the tomb represents the first garden-tomb on the Indian subcontinent, blending Persian garden traditions with indigenous elements.[1][5] This design innovation, featuring vaulted cells, chamfered octagonal plans, and pillared kiosks (chhatris), set precedents for subsequent Mughal monuments, including the Taj Mahal.[1] Designated a UNESCO World Heritage Site in 1993, the complex highlights the synthesis of Persian and Indian craftsmanship by teams of artisans.[1]Initial Historical Significance
Humayun's Tomb was commissioned by the emperor's senior widow, Empress Bega Begum (also known as Haji Begum), in the years following his death on January 27, 1556, from injuries sustained in a fall while ascending the stairs of his library during a period of religious observance.[1] [7] Construction commenced around 1569–1570 under the reign of Humayun's son Akbar and concluded circa 1572, at a reported cost exceeding 1.5 million rupees, reflecting substantial imperial investment in dynastic commemoration.[1] [8] The mausoleum's erection served primarily to enshrine Humayun's remains, transported from his temporary burial site, and to assert the Mughal dynasty's permanence amid the emperor's earlier defeats and 15-year exile to Persia, which had imperiled the empire's foothold in India.[1] [9] At its inception, the tomb's significance lay in pioneering the garden-tomb typology on the Indian subcontinent, integrating a vast charbagh layout—divided into four quadrants by water channels—to symbolize the Islamic paradise garden as described in Quranic eschatology, a concept imported from Timurid Central Asia but unprecedented in scale and execution in South Asia.[1] [10] This innovation, overseen by Persian architects Mirak Mirza Ghiyas (a Timurid refugee) and his son Sayyid Muhammad, fused indigenous Indian craftsmanship with Safavid and Timurid influences, including the use of red sandstone veneered with white marble and a bulbous double dome, thereby establishing a template for Mughal imperial mausolea that emphasized symmetry, centrality, and paradisiacal symbolism over earlier, simpler elite tombs.[7] [9] The structure's design not only honored Humayun's legacy but also projected Akbar's administration as a stabilizing force, transforming a site of dynastic vulnerability into one of monumental authority.[2] [10] The tomb complex further underscored its foundational role by incorporating ancillary elements like a mosque, serai (guest house), and potential madrasa spaces, extending its function beyond mere sepulture to a hub of religious and communal activity that reinforced Mughal patronage of Sunni orthodoxy.[9] This holistic approach marked a departure from pre-Mughal funerary practices, which lacked such integrated landscapes, and laid the groundwork for the empire's architectural idiom, influencing subsequent commissions and symbolizing the transition from nomadic conquest to sedentary rule.[1] [11]Historical Background
Humayun's Life and Death
Nasir-ud-din Muhammad, commonly known as Humayun, was born on March 6, 1508, in Kabul to Zahir-ud-din Muhammad Babur, the founder of the Mughal dynasty, and his consort Maham Begum.[12] As the eldest son, he received military training and participated in his father's campaigns, preparing him for rule over the nascent empire in northern India.[13] Following Babur's death on December 26, 1530, Humayun ascended the throne in Delhi at age 22, inheriting a fragile domain marked by rival Timurid princes, Afghan chieftains, and Rajput kingdoms.[14] His early reign saw initial successes, including the conquest of Gujarat in 1535 and parts of Bengal by 1538, but internal divisions—exacerbated by grants of jagirs to his brothers Kamran, Askari, and Hindal—and external threats eroded his control.[15] Humayun's fortunes reversed decisively against the Afghan leader Sher Shah Suri. In the Battle of Chausa on June 26, 1539, Humayun suffered a severe defeat, narrowly escaping by swimming across the Ganges.[16] Sher Shah consolidated gains with victory at the Battle of Bilgram (also known as Kanauj) on May 17, 1540, forcing Humayun to abandon Delhi and triggering a 15-year exile.[16] During this period, Humayun wandered through Rajasthan and Sindh, facing betrayals and hardships, before seeking refuge in Persia in 1544. There, Safavid Shah Tahmasp I provided military aid in exchange for Humayun's temporary adherence to Shia practices and territorial concessions, enabling his return.[13] With Persian support, Humayun recaptured Kabul in 1545 and, after protracted campaigns against the Suri dynasty, defeated Sikandar Suri's forces, re-entering Delhi in October 1555 to restore Mughal rule.[14] His reinstatement lasted briefly; on January 27, 1556, while descending the stairs of his library in the Purana Qila after hearing the muezzin's call to prayer, Humayun stumbled—possibly due to haste or impairment from opium use—and fell, sustaining fatal injuries.[17] He died two days later at age 47, succeeded by his 13-year-old son Akbar under the regency of Bairam Khan.[17]Commissioning and Early Planning
The mausoleum of Mughal Emperor Humayun was commissioned primarily by his senior widow and chief consort, Bega Begum (also known as Haji Begum), following his death on 27 January 1556 from injuries sustained in a fall on the stairs of his library in Delhi.[18] Initially, Humayun's body was buried temporarily at Sirhind in Punjab, as the Mughal court under his successor Akbar faced instability from Sher Shah Suri's successors; Bega Begum prioritized performing the Hajj pilgrimage to Mecca before arranging a permanent interment, earning her the title "Haji Begum" upon her return in the early 1560s.[19] [20] Bega Begum initiated the commissioning around 1565, nine years after Humayun's death, with construction formally beginning that year and concluding in 1571 or 1572 at an estimated cost of 1.5 million rupees; while primary patronage is attributed to her personal initiative to honor her husband and establish a Mughal funerary tradition, some historical analyses suggest involvement or financial support from her son, Emperor Akbar, whose reign stabilized the empire by then.[21] [22] [1] The project marked an early assertion of Mughal architectural ambition, drawing on Persian and Timurid influences to create the subcontinent's first large-scale garden tomb, though direct contemporary records like the Akbarnama provide limited details, relying instead on later Mughal chronicles and inscriptions for attribution.[20] Early planning centered on site selection near the revered Sufi shrine of Hazrat Nizamuddin Auliya in Delhi's Nizamuddin area, aligning with Humayun's documented devotion to the saint and strategic placement south of the Purana Qila fort to reclaim Mughal presence in the city after periods of Afghan control.[20] Bega Begum engaged Persian architects Mirak Mirza Ghiyas (or Mirak Sayyid Ghiyath), a poet and designer from Herat who had served under earlier Mughals, and his son Sayyid Muhammad, to oversee the design; their involvement, traditional in secondary sources like Ebba Koch's analyses of Mughal architecture, emphasized a symmetrical char bagh layout with water channels symbolizing paradise, adapting Central Asian garden precedents to local conditions while integrating Indian elements like red sandstone facing.[20] [23] This phase involved assembling craftsmen from Persia and India, setting precedents for hybrid Indo-Persian styles that prioritized durability and symbolic elevation of the tomb as a cosmic structure.[1]Construction Phase
Timeline and Key Figures
The construction of Humayun's Tomb was primarily commissioned and funded by Bega Begum, the senior widow of Emperor Humayun and chief consort, who allocated personal resources equivalent to 1.5 million rupees for the project after returning from pilgrimage.[22] She initiated the effort to create a grand mausoleum befitting the second Mughal emperor, drawing on Persian architectural traditions to which she had been exposed.[19] The lead architect was Mirak Mirza Ghiyas, a Persian master from Herat whom Bega Begum specifically recruited for his expertise in Timurid-style designs, assisted by his son Sayyid Muhammad, who oversaw on-site execution and integration of Indian craftsmanship.[22][24] Teams of Persian and local Indian artisans collaborated, importing techniques for dome construction and charbagh gardens, marking an early fusion under Mughal patronage.[1]- Circa 1565: Construction commenced following site selection in Delhi's Nizamuddin area and initial planning, delayed by the Mughal Empire's instability after Humayun's 1556 death.[24]
- 1568–1570: Core phases of mausoleum erection, including foundation laying and red sandstone cladding, progressed under Ghiyas's direction amid Akbar's consolidating reign.[25]
- 1571–1572: Completion of the dome, minarets, and enclosing gardens, establishing the tomb as the first substantial Mughal garden mausoleum in India.[22][25]
Architectural Innovations Introduced
Humayun's Tomb represented a pivotal advancement in Mughal architecture by introducing the garden-tomb complex, where the mausoleum was centrally positioned within a charbagh layout—a quadripartite garden divided by intersecting axial pathways and water channels, enclosed by high rubble walls with bastions. This design, the first of its kind on the Indian subcontinent, symbolized the Islamic paradise garden and integrated the tomb with its landscaped surroundings, departing from earlier standalone tomb structures.[1][3] The mausoleum pioneered the use of a double dome, featuring an inner and outer shell that permitted a soaring height of approximately 42.5 meters while distributing structural loads effectively through a supporting drum; the exterior dome was sheathed in white marble for visual emphasis. This innovation, adapted from Persian influences by architect Mirak Mirza Ghiyas, allowed for elevated interior space without compromising stability, contrasting with the single domes prevalent in prior Indo-Islamic buildings.[22][26] Construction employed red sandstone as the primary cladding on a massive scale, veneered over a rubble core, with white and black marble inlays forming borders, geometric patterns, and calligraphic inscriptions, creating a rhythmic alternation of colors and textures. This material combination and scale of application marked a new standard in durability and aesthetic harmony for monumental architecture in India.[1][3] The symmetrical facade featured prominent pishtaqs—projecting arched portals—flanked by smaller iwan-like niches, ornamented with intricate jaali screens, chhatris (small domes), and motifs such as six-pointed stars, establishing a vocabulary of balanced proportions and decorative elements that influenced subsequent Mughal edifices like the Taj Mahal.[3][27]Core Architectural Elements
Mausoleum Structure and Dome
The mausoleum of Humayun's Tomb is elevated on a high terraced platform approximately 7 meters tall, constructed from dressed stone and primarily clad in red sandstone with white and black marble inlays forming borders and decorative motifs. Its plan consists of an irregular octagon, derived from a square base with chamfered corners, presenting four long primary facades and four shorter intervening sides. Each facade features a deeply recessed central arched vault, or iwan, flanked by tiers of smaller arches and engaged minaret-like towers at the corners, creating a symmetrical and imposing elevation that rises in multiple registers. The structure's overall footprint measures roughly 47 meters per side at the base, emphasizing grandeur through balanced proportions and hierarchical scaling of architectural elements.[1][28] Surmounting the octagonal drum of the mausoleum is a prominent double dome, reaching a total height of 42.5 meters from the platform, clad in white marble for a luminous effect against the red sandstone body. This double-dome system employs an inner shell for the interior space and an outer shell that forms the bulbous, onion-shaped profile visible externally, a technique imported from Persian architecture that permits greater height and internal clearance without structural compromise. The dome is adorned with a marble finial and supported by an octagonal base ringed by chhatris—open pavilions with cupola roofs—adding rhythmic punctuation to the skyline. Flanking kiosks on the roof further enhance the design with their pillared forms and tiled domes, blending Persian influences with indigenous Indian elements like the chhatris.[1][29] Designed by the Persian architect Mirak Mirza Ghiyas, who drew from Safavid and Timurid precedents evident in the dome's form and the use of iwans, the mausoleum represents an early synthesis of Central Asian and Indian building traditions under Mughal patronage. Ghiyas's work, continued by his son Sayyid Muhammad after the architect's death during construction, introduced the double dome to Indian Islamic architecture on a monumental scale, influencing subsequent structures like the Taj Mahal. The structural integrity relies on robust masonry techniques, including thick walls and arched supports, which distribute the dome's thrust effectively across the octagonal framework.[1][30][24]Materials, Inscriptions, and Symbolism
The mausoleum of Humayun's Tomb features a rubble core faced with red sandstone for the primary exterior cladding, including engaged colonette door jambs and floral-patterned kanguras along the upper facades.[31] White marble provides inlaid detailing, moldings, engaged colonettes, guldastas, blind arches, and dado panels, while black marble appears in borders and accents alongside the white.[31][1] Glazed ceramic tiles ornament the domes of the flanking chhatris, introducing color and reflecting Persian influences in the decorative scheme.[1] Inscriptions primarily consist of Arabic script rendering the shahada—"There is no god but God and I testify that Muhammad is the messenger of God"—prominently at the dome's finial and on cenotaphs within the chamber.[32] Quranic verses, including the 26th ayat of Surah Ar-Rahman, appear in calligraphic bands and over the mihrab, alongside Persian dedicatory text on a sandstone slab above the mihrab attributing construction to Bega Begum in 1565.[32] These elements, often elevated or incised in plaster medallions, serve both ornamental and devotional functions, invoking Islamic orthodoxy through familiar sacred phrases.[32] Symbolically, the structure embodies Persian-Islamic conceptions of paradise, with the octagonal plan evoking the eight directions and the eight levels of heaven referenced in Quranic interpretations, guarded by eight angels.[33] The double dome, clad in marble and rising 42.5 meters, represents celestial vaulting, while geometric motifs like six-pointed stars on pishtaqs and lattice jalis underscore cosmic order and divine geometry central to Timurid-Persian aesthetics adapted by the Mughals.[1] The integration of these features signals Humayun's restoration to eternal favor, transforming the tomb into an earthly antecedent of firdaus, or paradise, distinct from indigenous Indian funerary traditions.[34]Site Layout and Gardens
Char Bagh Design Principles
The Charbagh garden layout, derived from Persian traditions and meaning "four gardens," divides a rectangular or square enclosure into four equal quadrants through two perpendicular axial pathways intersected at the center.[35] These axes typically incorporate raised walkways flanked by water channels, symbolizing the four rivers of paradise in Islamic cosmology as described in the Quran—representing milk, water, honey, and wine—and evoking an earthly replication of divine gardens for the afterlife.[1] Central to the design is bilateral symmetry and geometric precision, ensuring harmonious proportions that reflect cosmic order, with the focal point often marked by a pavilion, pool, or monumental structure.[35] Water elements form a core principle, not merely for irrigation but for their auditory, reflective, and purifying qualities, with channels fed by aqueducts or fountains converging at octagonal pools or cascades to mimic eternal flow and abundance.[1] Enclosure by high walls provided seclusion and protection, while planting schemes featured fruit trees, cypresses, and flowering shrubs in sunken beds to conserve moisture and accentuate the raised paths, fostering a sensory experience of shade, fragrance, and coolness amid arid landscapes.[36] At Humayun's Tomb, constructed in the 1560s, these principles manifested in India's inaugural large-scale garden-tomb, spanning a 27.04-hectare walled complex with the mausoleum elevated on a central platform at the axial intersection.[1] Broad walkways and flanking channels divided the grounds into quadrants, with pools linked by underground terracotta pipes and aqueducts supplying fountains, though much of the original hydrology was lost until restorations in the late 1990s and early 2000s revived the flowing water systems.[1] This configuration asserted Mughal imperial symbolism, positioning the tomb as a paradisiacal abode for the deceased emperor, and established a prototype influencing subsequent monuments like the Taj Mahal.[1]Pathways, Water Features, and Boundaries
The pathways of Humayun's Tomb garden adhere to the Mughal charbagh principle, featuring two intersecting axial walkways that divide the enclosure into four main quadrants, each further subdivided by narrower paths into nine smaller squares for a total of 36 plots. These raised, paved pathways, aligned north-south and east-west, originally served as processional routes converging on the central mausoleum, with their layout evoking the paradisiacal gardens described in Islamic tradition.[37][38] Water features integral to the design include channels running parallel to the pathways, symbolizing the four rivers of Quranic paradise, supplied via underground terracotta pipes and aqueducts from external sources such as Persian wheels (rahat) installed at the eastern corners of the enclosure. Four principal fountains, each with a stylized lotus motif akin to the tomb's decorative elements, are situated at the midpoint of each garden side adjacent to square tanks, aligned with the cardinal directions and tomb axes to enhance acoustic and visual effects as water flowed through the system. These elements were restored between 1997 and 2003 using archaeological evidence and traditional methods to reinstate original hydraulic functionality.[1][39][40] The garden is demarcated by a perimeter enclosure wall of rubble masonry, approximately 4-5 meters high in sections, with arcaded galleries along the inner face and faced externally with red sandstone in key areas. Access is primarily through two double-storeyed gateways on the south and west, integrated into the boundary for controlled entry, enclosing an area of roughly 13 hectares dedicated to the charbagh. This bounding structure, constructed concurrently with the tomb in the 1560s-1570s, preserved the site's sanctity and facilitated water management by supporting aqueduct inflows.[37][1]Associated Structures
Subsidiary Tombs and Monuments
The Humayun's Tomb complex includes several subsidiary tombs and monuments, primarily 16th-century garden-tombs such as those associated with Isa Khan, Bu Halima, Nila Gumbad, and the Barber's Tomb, which pre-date or coincide with the main mausoleum and exemplify early Indo-Islamic architectural traditions.[1] These structures, managed by the Archaeological Survey of India, enhance the site's historical ensemble and reflect the evolution from Lodi-era to mature Mughal styles.[1] Isa Khan's enclosure, the first encountered upon entering the complex from the west, comprises an octagonal red sandstone mausoleum, a single-aisled mosque, a large rectangular water tank (hawd), and a stepwell (baoli), constructed between 1547 and 1548 CE during the Sur Empire under Sher Shah Suri.[41] The mausoleum houses Isa Khan Niyazi, an Afghan noble who opposed Mughal forces, and features arched niches, decorative bands, and a now-ruined dome, marking the culmination of octagonal tomb designs from the Sayyid and Lodi dynasties.[42] Restoration efforts from 2011 to 2015 by the Aga Khan Trust for Culture revived its gardens and structural integrity using traditional techniques.[42] Bu Halima's tomb and garden, abutting Isa Khan's enclosure at the southwestern entrance, date to the 16th century and consist of a low platform with a small domed chamber surrounded by a walled garden, though the identity of Bu Halima—possibly a female attendant or noble—remains undocumented in primary sources.[43] The structure employs red sandstone with minimal ornamentation, preserving an early example of enclosure-based tomb layouts predating the char bagh paradigm of Humayun's principal mausoleum.[1] Nila Gumbad, located southeast of the main tomb, features a striking blue-glazed tile dome and minarets, built circa 1625–1626 CE by the Mughal courtier Abdur Rahim Khan-i-Khanan for his servant Fahim Khan, who died in 1626.[44] Its architecture blends Persian tilework with local red sandstone, including arched facades and a subterranean burial chamber, and underwent restoration in the 2010s to repair tile mosaics and stabilize the structure.[1] Historical accounts, including those by 19th-century chronicler Sayyid Ahmad Khan, attribute the monument to this patronage, underscoring its role in the complex's later Mughal additions.[44] The Barber's Tomb (Nai-ka-Gumbad), situated in the southeastern corner within the char bagh garden, is a modest single-domed pavilion of red and grey sandstone, likely constructed in the late 16th century and traditionally associated with a royal barber, though the interred identity is unknown.[1] Its simple design, with engaged columns and a low plinth, contrasts with grander monuments but highlights the site's use for lesser nobility or attendants.[1] Additional subsidiary elements, such as the Afsarwala tomb cluster, further populate the 27-hectare site with over 150 Mughal-era burials, illustrating its function as a dynastic necropolis.[1]Enclosing Walls and Gateways
The enclosing walls of Humayun's Tomb form a high rubble masonry barrier surrounding the charbagh garden, constructed primarily on three sides with the fourth originally abutting the Yamuna River before its course shifted eastward.[44] These walls, built from local stone and faced with red sandstone in places, feature arched recesses along their exterior for structural and aesthetic reinforcement.[45] Pavilions occupy the centers of the eastern and northern walls, providing symmetrical focal points within the enclosure.[1] Access to the enclosure is granted through two prominent double-storey gateways: the ceremonial south gate and the functional west gate. The south gate, the original Mughal-era entrance now sealed, rises 15.5 meters high atop a raised podium approached by broad steps, dominated by a grand iwan framed by three recessed arches and flanked by bastioned walls with additional arched niches.[44] [45] Its design emphasizes monumentality, channeling processional routes into the paradise garden beyond. The west gate, constructed from quartzite stone dressed with red sandstone, serves contemporary visitors and features a funneling facade that directs entry toward the tomb's axis, incorporating similar arched motifs for continuity with the complex's Persianate style.[46] Both gateways integrate defensive elements like high platforms and recessed openings, reflecting early Mughal adaptations of Timurid architectural precedents.[44]Post-Construction Trajectory
Usage During Mughal Decline
Following the death of Emperor Aurangzeb in 1707, the Mughal Empire fragmented amid succession disputes, regional rebellions, and invasions by Persian and Afghan forces, severely straining central authority and fiscal resources in Delhi. This decline precipitated neglect of imperial monuments, including Humayun's Tomb, where upkeep of the expansive charbagh gardens became untenable. By the early 18th century, local inhabitants had settled within the walled enclosure and repurposed the formal gardens for vegetable cultivation, growing crops such as brinjal (eggplant), chilies, cabbage, and tobacco.[47][48] The site's deterioration accelerated through the 18th and into the 19th centuries as Mughal emperors wielded only nominal power under Maratha, Sikh, and British influence, diverting any remaining patronage away from historical sites. Encroachment and agricultural use eroded the original landscape design, transforming the symbolic paradise garden into utilitarian farmland reflective of the empire's lost grandeur.[48] In the empire's terminal phase, during the Indian Rebellion of 1857, Humayun's Tomb briefly regained prominence as a sanctuary. After British forces recaptured Delhi and seized the Red Fort on September 19, 1857, the titular Emperor Bahadur Shah II (r. 1837–1857) fled with family members to the tomb complex for refuge.[49] British Captain William Hodson subsequently arrested the emperor and his sons there, marking the effective end of Mughal rule and the site's role in imperial events.[49]Colonial Period and 19th-20th Century Events
During the Indian Rebellion of 1857, Humayun's Tomb complex provided refuge to the last Mughal emperor, Bahadur Shah Zafar, along with three of his sons, after the British forces recaptured Delhi on September 20.[18] On September 21, 1857, Captain William Hodson of the British Indian Army located and captured Zafar within the enclosure, subsequently executing the princes Mirza Mughal, Mirza Khizr Sultan, and Mirza Abu Bakht near Khooni Darwaza to prevent further rebellion.[22] The tomb also served as a British garrison during the conflict, marking a symbolic end to Mughal rule under colonial oversight.[50] In the immediate aftermath, the site drew attention from British photographers, including Felice Beato, who documented the structure around 1858 amid the ruins of the uprising.[51] Throughout the 19th century, the monument experienced neglect as Mughal patronage waned, though it housed graves of later imperial family members and became a point of interest for European travelers studying Indo-Islamic architecture.[52] In the early 20th century, Viceroy Lord Curzon initiated efforts to restore the original Mughal garden layout, including the addition of water channels to pathways, reflecting British interest in preserving select pre-colonial heritage sites.[40] As the colonial era concluded, during the 1947 Partition of India, the tomb complex temporarily functioned as a refugee camp for Muslims migrating to Pakistan, accommodating displaced persons amid communal violence.[18]Restoration and Preservation
Pre-Independence Efforts
The Archaeological Survey of India assumed custody of Humayun's Tomb in 1881 to prevent further deterioration and encroachment, initiating formal preservation under colonial administration.[53] This protection status involved basic measures such as restricting unauthorized occupation and conducting early condition assessments, reflecting the ASI's broader mandate established since 1861 to safeguard ancient monuments amid post-1857 neglect of Mughal sites.[52] British officials emphasized documentation over extensive structural intervention, with architectural historian James Fergusson decrying the post-revolt vandalism of such monuments and urging systematic conservation.[52] Efforts focused on stabilizing the fabric through vegetation clearance, minor masonry repairs, and perimeter securing, though resources were constrained compared to later initiatives.[54] In the early 20th century, colonial landscaping transformed the original char bagh layout into a formalized British garden style, introducing geometric paths and exotic plantings that deviated from Mughal symmetry but aimed to enhance accessibility and aesthetics.[24] By the 1940s, the ASI's monitoring culminated in detailed surveys, including S.A.A. Naqvi's 1947 report on the tomb and adjacent structures, which cataloged architectural features and decay patterns to inform ongoing upkeep.[55] These pre-independence activities prioritized custodial protection and scholarly recording, laying groundwork for post-1947 restorations without reversing accumulated damage from prior centuries of disuse.[54]Post-1993 UNESCO Interventions
![Restoration work at Humayun's tomb, Delhi, 2008.jpg][float-right]Following its designation as a UNESCO World Heritage Site in 1993, Humayun's Tomb became the subject of targeted conservation efforts aligned with international heritage standards, including recommendations from the International Council on Monuments and Sites (ICOMOS) to restore its original charbagh garden layout.[56] The Aga Khan Trust for Culture (AKTC), in partnership with India's Archaeological Survey of India (ASI), initiated garden restoration in 1999, completing it by 2003 as a gesture commemorating India's 50th anniversary of independence; this work revived the symmetrical quadrants, water channels, and pavilions based on historical surveys and Mughal garden principles.[57] Subsequent UNESCO-linked interventions emphasized structural preservation of the mausoleum itself, with AKTC commencing comprehensive conservation in 2007 under the Nizamuddin Urban Renewal Initiative, which addressed deterioration from neglect, pollution, and seismic vulnerabilities through techniques like stone consolidation and mortar replacement.[58] This phase, spanning 2008 to 2013, mobilized over 200 master craftsmen for approximately 200,000 man-days of labor, encompassing repairs to the red sandstone facade, marble inlays, and the double dome's finial, which was recast and reinstalled by 2016.[59] [60] The project adhered to UNESCO guidelines for authenticity and reversibility, avoiding modern interventions that could alter the site's historical integrity, and included documentation for ongoing monitoring.[1] UNESCO's oversight extended to periodic evaluations, such as the 2013 reactive monitoring that affirmed the restorations' success in halting decay while enhancing the site's legibility as a precursor to the Taj Mahal.[1] These efforts also integrated adjacent monuments like Isa Khan's tomb and the Sunder Nursery, fostering a broader cultural landscape approach recommended in UNESCO's 1993 inscription criteria, though implementation relied on bilateral funding rather than direct UNESCO grants.[42] By 2013, the completed works had restored the complex's visual and functional coherence, with the Indian Prime Minister inaugurating the revitalized tomb, underscoring the collaborative model's efficacy in preserving Mughal architectural heritage amid urban pressures.[60]