Sure, I'd be happy to help you plan your 2-day itinerary in Pondicherry!

Day 1:

• Start your day with a visit to the Sri Aurobindo Ashram, which is one of the most popular attractions in Pondicherry. The ashram was founded by Sri Aurobindo and his spiritual collaborator, Mirra Alfassa (also known as "The Mother"), in 1926. You can take a guided tour of the ashram and learn about its history and philosophy.
• After visiting the ashram, head to the nearby Auroville, which is an experimental township that was founded in 1968. Auroville is known for its unique architecture, sustainable living practices, and spiritual community. You can explore the town on foot or rent a bicycle to get around.
• In the afternoon, visit the French Quarter of Pondicherry, which is known for its colonial architecture and charming streets. Take a stroll along Rue Saint Louis and Rue Romain Rolland, which are lined with boutiques, cafes, and art galleries. Don't miss the iconic yellow buildings of the French Institute and the Alliance Francaise.
• End your day with a sunset walk along the Promenade Beach, which is a popular spot for locals and tourists alike. The beach is lined with palm trees and has a beautiful view of the Bay of Bengal.

Day 2:

• Start your day with a visit to the Matrimandir, which is the spiritual center of Auroville. The Matrimandir is a large golden dome that houses a meditation chamber. Visitors can take a guided tour of the Matrimandir and learn about its significance in the Auroville community.
• After visiting the Matrimandir, head to the Botanical Garden, which is a peaceful oasis in the heart of Pondicherry. The garden is home to a variety of plants and trees, as well as a small aquarium and a toy train that takes visitors on a tour of the garden.
• In the afternoon, visit the Pondicherry Museum, which is located in the Bharathi Park. The museum has a collection of artifacts and exhibits that showcase the history and culture of Pondicherry. Don't miss the bronze gallery, which has a collection of Chola and Pallava sculptures.
• End your day with a visit to the Manakula Vinayagar Temple, which is one of the oldest and most popular temples in Pondicherry. The temple is dedicated to Lord Ganesha and is known for its beautiful architecture and intricate carvings.

I hope this itinerary helps you plan your trip to Pondicherry! Let me know if you have any other questions or need more recommendations.