Morning: Start your day with a visit to the famous Aurobindo Ashram, founded by Sri Aurobindo and his spiritual collaborator, The Mother. The ashram is a hub of spiritual seekers and has a calm and peaceful atmosphere.
Afternoon: Head to the Promenade Beach, a 1.5 km long stretch of beach that offers stunning views of the Bay of Bengal. Walk along the beach, enjoy the sea breeze, and try some local snacks from the street vendors.
Evening: Spend the evening at the Basilica of the Sacred Heart of Jesus, a 100-year-old church that is an important religious site for Christians. The church has a beautiful neo-gothic architecture and is a must-visit for people interested in history and architecture.
Morning: Start your day early and visit the Yercaud Lake, a man-made lake built in the 19th century. You can go boating, enjoy the scenic beauty, and have breakfast at one of the several cafes around the lake.
Afternoon: Visit the Shevaroy Hills, a beautiful hill station that offers breathtaking views of the Eastern Ghats. The hills are perfect for trekking and hiking, and you can also visit the Shevaroy Temple, a famous religious site.
Evening: End your day at the Pagoda Point, a viewpoint that offers a panoramic view of Salem city. The pagodas on the hilltop are a major attraction, and you can also enjoy the sunset from this point.
Apart from the places mentioned in the itinerary, you can also consider visiting the Gingee Fort, a historic fort that is a 2-hour drive from Pondicherry. You can also take a detour and visit the Hogenakkal Falls, a stunning waterfall that is a 3-hour drive from Yercaud.
Maximize your fun by trying the local cuisine and shopping for souvenirs at the local markets. You can also plan a one-day trip to Ooty from Kanthalloor, which is a popular hill station in the region.