Start your morning by visiting the Red Fort, a historical fort which was the main residence of the Mughal emperors.
Afternoon: Head to Chandni Chowk, one of the oldest and busiest markets in Old Delhi. Here, you can find a variety of street food and traditional garments.
Evening: Witness the Light and Sound show at the Red Fort, which showcases the history of India through a beautiful display of lights and sounds.
Start your day by visiting Qutub Minar, a UNESCO World Heritage Site. This is a great place to learn about the history of Delhi and take some amazing pictures.
Afternoon: Visit the Lotus Temple, a Bahá'í House of Worship. This temple is known for its beautiful architecture and serene environment.
Evening: End your day by visiting India Gate, a war memorial dedicated to the Indian soldiers who died during World War I. You can enjoy a picnic or a stroll in the surrounding gardens.
If you have some extra time, you can also visit the Humayun's Tomb, which is a beautiful example of Mughal architecture. Another great side trip is a visit to Akshardham, a Hindu temple known for its stunning architecture and boat ride.
To maximize your fun, consider taking a rickshaw ride through the narrow streets of Old Delhi. You can also try some local delicacies such as paranthas and chaat.
Finally, don't forget to carry enough water and wear comfortable shoes while exploring Delhi.