1. Chandni Chowk Flashback: Dr. Rajendra Prasad arrives on a horse carriage in Old Delhi, Chandni Chowk, horse carriages were used as a mode of transport before independence.One of the oldest and busiest markets of Delhi, built in 17th century by the Mughal emperor of India Shah Jahan and designed by his daughter Jahan Ara, the market was once divided by canals (now closed) to reflect moonlight, and it remains one of India's largest wholesale markets.