Shahjahanabad in the 17th Century: The Mughal Capital’s Urban Architecture

When Mughal Emperor Shah Jahan decided to abandon Agra as his capital and build an entirely new city in 1639, he was making a statement that went far beyond logistics. He was constructing an urban landscape that would broadcast imperial authority in stone, mortar, and marble. The result was Shahjahanabad – today’s Old Delhi – a city whose layout, monuments, and social geography were all shaped by the politics of power. Understanding Shahjahanabad means understanding how cities have always been tools of governance, identity, and control.

Why Shah Jahan built a new capital 🔗

Shah Jahan found that the Agra Fort was simply not large enough to accommodate his populous court sessions and festive gatherings, and there was little scope for expansion. Lahore was considered but its climate was deemed unsuitable. Delhi, by contrast, had deep historical significance – it had been the seat of the Delhi Sultanate – and offered practical advantages: the Yamuna River provided both water supply and access to trade routes. Shahjahanabad’s location along the Yamuna ensured water supply and trade access, which were crucial for urban development. Construction of the walled city began in 1638 under the supervision of master architects Ustad Ahmad Lahori and Ustad Hamid, and was completed in 1648. The city remained the capital of Mughal India until its fall in 1857, when the British Empire took over as the paramount power in the Indian subcontinent.

The urban layout: power written into space 🔗

Shahjahanabad was not an organically grown city – it was a deliberately planned imperial capital. The planning of the city was done in a manner that symbolized the hold of the ruler in many ways. The Red Fort stood at the city’s eastern edge, oriented toward the Yamuna River, and functioned as the physical and symbolic center around which the rest of the urban fabric was organized. The two main focal points of the city were the Red Fort and the Jama Masjid, with diverse communities, religious places, and commercial spaces – including the mansions of nobles, alongside the workplaces and homes of traders and artisans.

The city’s social hierarchy was literally mapped onto its geography. The land to the west of the palace was allotted to nobles and rich merchants through jagirs (land grants), and the proximity to the palace was an indicator of social standing, with residences of common people placed around the periphery. Shah Jahan also kept close personal oversight: he monitored the locations and building arrangements of the mansions of the empire’s grandees. This was not just urban planning – it was the spatial enactment of court hierarchy.

The city walls and gates 🔗

The physical boundaries of Shahjahanabad were formidable. According to historian Stephen Blake, the city was surrounded by a massive wall – 27 feet high and 12 feet thick, about 3.8 miles long – enclosing an area of approximately 1,500 acres. The wall was punctuated by multiple gates, including the Lahore Gate, Ajmere Gate, Turkman Gate, Delhi Gate, Kabul Gate, and Kashmere Gate – all arched entrances that served as watchtowers for city guards. Additional gates opened toward the Yamuna River. These walls served both defensive purposes and a symbolic one: they demarcated the boundary of imperial authority.

Chandni Chowk: the city’s commercial spine 🔗

The main street of the city, now called Chandni Chowk – meaning “Moonlight Square” – runs from the Red Fort to the Fatehpuri Masjid. The street was historically divided by canals engineered to reflect moonlight, hence its name. These canals have since been removed, but the street itself retains its Mughal-era character. Chandni Chowk was a significant route for Mughal imperial processions, hosting the grand displays of emperors and their entourages. It was also a major commercial hub, with neighborhoods organized around mosques and markets – a feature typical of Islamic city planning. Some shops in this area are several centuries old. Even today, Khari Baoli, one of the bazaars of Shahjahanabad, is Asia’s largest wholesale spice market.

The Red Fort: imperial power in sandstone 🔗

No structure better represents Shahjahanabad’s connection between architecture and political authority than the Red Fort (Lal Qila). Emperor Shah Jahan commissioned the fort on 12 May 1639, with construction beginning in the sacred Islamic month of Muharram. Its design is attributed to Ustad Ahmad Lahori, also renowned for designing the Taj Mahal. Construction was completed on 6 April 1648. The fort served as the main residence of the Mughal emperors for nearly 200 years.

The planning of the Red Fort is based on Islamic prototypes, but each pavilion reveals architectural elements typical of Mughal building – reflecting a fusion of Persian, Timurid, and Hindu traditions. The private apartments consist of a row of pavilions connected by a water channel called the Nahr-i-Behisht (Stream of Paradise). The fort also contains the Diwan-i-Am (Hall of Public Audience), where the emperor heard petitions from ordinary subjects, and the Diwan-i-Khas (Hall of Private Audience), where he met nobles and foreign dignitaries. This spatial separation between public and private audiences was not incidental – it was a carefully designed expression of the emperor’s tiered relationship with different social groups.

The Red Fort’s innovative planning and architectural style, including its garden design, strongly influenced later buildings and gardens in Rajasthan, Delhi, Agra, and further afield. The fort was designated a UNESCO World Heritage Site in 2007, recognizing its outstanding architectural and cultural significance.

The Jama Masjid: where religion legitimized rule 🔗

If the Red Fort embodied political authority, the Jama Masjid embodied religious authority – and in Shahjahanabad, the two were deeply intertwined. Shah Jahan built the Jama Masjid between 1650 and 1656 at the highest point of Shahjahanabad. It was constructed by approximately 5,000 workers of diverse backgrounds – Indians, Arabs, Persians, Turks, and Europeans – at a cost of one million rupees.

The mosque’s original name, Masjid-i-Jahan-Numa, translates roughly to “mosque that commands a view of the world.” It was strategically placed on an elevated plinth, rising 10 metres above the surrounding city – a literal assertion of religious prominence over the urban landscape. The khutba (Friday sermon) was recited in the name of the Mughal emperor during the Friday noon prayer, legitimizing his rule. The mosque was thus a symbol of Mughal sovereignty in India, carrying direct political significance. It was also an important center of social life for the residents of Shahjahanabad, providing a space that transcended class divides for diverse people to interact.

Shah Jahan also created a new institution to cement the mosque’s political role: the Imam of the Jama Masjid was granted the title of Shahi Imam (Royal Imam), and all subsequent Mughal emperors from Aurangzeb to Bahadur Shah II were crowned by the Shahi Imam of the Jama Masjid in Delhi. Religion was not separate from political power in Shahjahanabad – it was one of its key instruments.

Havelis, neighborhoods, and social structure 🔗

Beyond the grand monuments, Shahjahanabad’s social fabric was expressed through its residential neighborhoods. The city exemplified a microcosm of the sovereign Mughal state as a whole, with the Red Fort forming its pivot. Communal harmony was a hallmark of the city, as mosques and temples were typically built through community efforts, and diverse communities coexisted across its neighborhoods. Traders, artisans, nobles, and religious figures all occupied distinct but interconnected spaces within the city.

Noble households – known as havelis – were enormous estates that effectively dominated entire sectors of the city. By virtue of their size and population, these mansions dominated the sectors of the city just as the palace-fortress dominated the urban area as a whole. Beyond the walled city, the urban complex extended into the countryside with extensive gardens – rectangular, high-walled, divided by four canals in the style of the classical Islamic chahar bagh (four-garden) design. These gardens reinforced the aesthetic and spiritual dimensions of Mughal urban planning.

Political power and urban form: the bigger picture 🔗

What makes Shahjahanabad particularly significant from a sociological perspective is how clearly it demonstrates the relationship between political power and urban form. The city was not designed primarily for the convenience of its inhabitants – it was designed to project imperial authority. Every major decision about placement, scale, and access reflected the social and political hierarchies of the Mughal Empire.

Yet Shahjahanabad was not solely dependent on the emperor for its growth or sustenance. The urban communities retained their own distinctive style and character. This autonomy helps explain why, even after the collapse of Mughal power following the 1857 revolt – when the British demolished around 80 acres of the city – Shahjahanabad continued to function as a living urban community. Despite its political decline, Purani Dilli was never completely abandoned by its people. Today, the area is known for its cuisine, markets, gardens, street food, and monuments, and remains an important cultural heritage site.

The legacy of Shahjahanabad is not simply architectural. It is a record of how a 17th-century empire chose to organize space, express hierarchy, and make power visible. From the asymmetrical walls of the Red Fort to the elevated plinth of the Jama Masjid, every element of the city’s design carried meaning – meaning that urban sociologists, historians, and architects continue to study today.

What do you think? How does the deliberate use of urban space to project political authority in Shahjahanabad compare to how modern governments design capital cities today? And what does it tell us about a society when its most iconic public spaces – like a mosque or a fort – serve both religious and political functions simultaneously?

References

1. https://imp-art.org/articles/red-fort-new-delhi/
2. https://www.academia.edu/39423093/Shahjahanabad_Locational_Factors_and_Emergence_of_the_City
3. https://en.wikipedia.org/wiki/Shahjahanabad
4. https://historyofolddelhi.blogspot.com/2016/09/cityscape-of-shahjahanabad-old-delhi.html
5. https://www.tandfonline.com/doi/full/10.1080/2325548X.2023.2277944
6. https://oaklores.com/2025/07/29/the-city-of-shahjahanabad/
7. https://en.wikipedia.org/wiki/Red_Fort
8. https://whc.unesco.org/en/list/231/
9. https://www.britannica.com/topic/Red-Fort
10. https://en.wikipedia.org/wiki/Jama_Masjid,_Delhi