In the morning, visit the Basilica of the Sacred Heart of Jesus, a beautiful Roman Catholic church with neo-Gothic architecture. Spend the afternoon exploring the French Quarter, with its pretty colonial buildings, cute cafes, and boutique shops. In the evening, head to Promenade Beach, a popular spot for locals and tourists alike, to watch the sunset.
Start your day with a visit to Auroville, an experimental township founded in 1968. Explore the Matrimandir, a golden globe-shaped temple that serves as the town's spiritual center. In the afternoon, visit the Sri Aurobindo Ashram, a spiritual community founded by Sri Aurobindo and Mirra Alfassa. End the day with a visit to the Arulmigu Manakula Vinayagar Temple, a beautiful Hindu temple dedicated to Lord Ganesha.
Start the day with a visit to Ousteri Lake, a beautiful freshwater lake on the outskirts of Pondicherry. Go boating or kayaking, or simply enjoy the views. In the afternoon, visit the Pondicherry Museum, which houses a collection of artifacts and exhibits related to the history and culture of the region. End the day with a visit to the Gingee Fort, a historic fortress that offers panoramic views of the surrounding countryside.
If you have time, consider taking a side trip to Mahabalipuram, a UNESCO World Heritage Site that is famous for its ancient rock-cut temples and sculptures. You could also visit the Auroville Beach, which is located near Auroville and is known for its serene and tranquil atmosphere. To maximize your fun, try some of the local cuisine, such as dosas, idlis, and vadas. Don't forget to also explore the local markets and bazaars, where you can find unique souvenirs and handicrafts.