Morning: Start your Delhi trip by visiting the iconic Humayun's Tomb. The red sandstone architecture and the lush green gardens around the tomb are majestic. You can also visit the Dargah of Nizamuddin Auliya, which is a few minutes walk from the tomb.
Afternoon: Head to the India Gate, a war memorial dedicated to the Indian soldiers who died in World War I. You can enjoy a picnic or street food around the India Gate.
Evening: End your day by visiting the Akshardham Temple, a modern Hindu temple with magnificent architecture and a light and sound show. You can also enjoy the boat ride in the temple premises.
Morning: Start with a visit to the Red Fort, which is a UNESCO World Heritage Site. The fort has beautiful Mughal architecture and houses several museums.
Afternoon: Head to Jama Masjid, one of the largest mosques in India. You can enjoy the view of the mosque from the top of the minaret.
Evening: End your day by visiting Chandni Chowk, one of the oldest and busiest markets in Old Delhi. You can enjoy the street food and also shop for souvenirs.
Morning: Start your day by visiting the Qutub Minar, a UNESCO World Heritage Site. The tower has beautiful Islamic architecture and is surrounded by several historical monuments.
Afternoon: Head to the Lotus Temple, a Bahai House of Worship that has a unique lotus-shaped architecture. You can also meditate in the temple premises.
Evening: End your day by visiting the Hauz Khas Village, a trendy market with several cafes and restaurants. You can enjoy the nightlife and also shop for trendy clothes and accessories.
If you have more time, you can visit the Raj Ghat, the memorial of Mahatma Gandhi, and the National Museum, which has a wide collection of Indian art and artefacts. You can also take a day trip to Agra to visit the Taj Mahal.
To maximize your fun, you can book a guided tour or take a metro ride to avoid traffic congestion.
Do not forget to try the delicious street food in Delhi, but make sure to stay hydrated and carry hand sanitizers.