Start the day by exploring the Red Fort, a historic fortification that served as the main residence of the Mughal Emperors for over 200 years. Next, visit Jama Masjid, one of the largest mosques in India and a great example of Mughal architecture. Experience the bustle of Delhi by visiting the famous Chandni Chowk market, which is filled with vendors of food, fabric and more. End the day by visiting The Beer Cafe at Connaught Place, which serves over 50 different beers from around the world.
Start the day with some adventure sports at Flying Fox, where you can zipline over the city and take in stunning views. After that, stop by the Khan Market for shopping and lunch. In the evening, experience Delhi's nightlife at the Summerhouse Cafe in Hauz Khas Village, a trendy spot that serves international cuisine, cocktails and good music. End the night bar hopping at the Connaught Place, where you'll find some of the best bars in the city.
If you have more time, visit the India Gate or go on a food tour to sample more local cuisine. If you have less time, skip the shopping at the Khan Market. Note that most attractions in Delhi close by 6 pm, so plan accordingly. Avoid traveling during peak hours, as traffic can be heavy. Wear comfortable shoes and clothing, as Delhi can be warm and crowded.