Arrive at Chennai International Airport (MAA) or Chennai Central Railway Station. Take a pre-paid taxi or use a ride-hailing app like Uber or Ola to get to your hotel.

Check into a mid-range hotel in a central and culturally rich area like Mylapore or T. Nagar for easy access to attractions and local life. Suggestions: The Raintree Hotel, Savera Hotel.

Savor a traditional Tamil 'thali' (a platter with various small dishes) for an authentic culinary introduction. This meal typically includes rice, sambar, rasam, poriyal (vegetables), and curd.

Visit the magnificent Kapaleeshwarar Temple, a stunning example of Dravidian architecture dedicated to Lord Shiva. Explore the intricate gopurams (towers), mandapams (halls), and the large temple tank.

Head to Marina Beach, one of the longest urban beaches in the world. Enjoy a leisurely walk, watch the sunset, and observe the local life. Try some local snacks like 'sundal' (spiced chickpeas) from the beach vendors.

Indulge in the fiery and aromatic flavors of Chettinad cuisine, famous for its use of freshly ground spices. Try dishes like Chicken Chettinad or a vegetarian alternative.

Explore the first English fortress in India, Fort St. George. The complex houses the St. Mary's Church (the oldest Anglican church in India) and a museum showcasing colonial-era artifacts.

Check out from your hotel and begin the scenic journey to Pondicherry along the East Coast Road (ECR). This route offers beautiful views of the Bay of Bengal.

Stop en route at Mahabalipuram, an ancient port city of the Pallava dynasty. Visit the iconic Shore Temple, the five monolithic Pancha Rathas, and the massive rock carving of Arjuna's Penance.

Enjoy a fresh seafood lunch at one of the many restaurants overlooking the sea in Mahabalipuram. It's a perfect break during your sightseeing.

Arrive in Pondicherry and check into your hotel. Staying in the French Quarter (White Town) is highly recommended for its charming atmosphere and walkability. Suggestions: Palais de Mahe, The Promenade.

Experience Pondicherry's unique Franco-Tamil culture with dinner at a restaurant in the French Quarter. Enjoy a blend of French cuisine with local ingredients.

Spend the morning exploring the charming, tree-lined streets of the French Quarter. Admire the colonial-era villas with their mustard-yellow walls, arched gateways, and vibrant bougainvillea. It's best explored on foot or by renting a bicycle.

Experience the tranquility of the Sri Aurobindo Ashram, a spiritual community. The main building houses the flower-covered 'Samadhi', the final resting place of Sri Aurobindo and The Mother. Maintain silence inside.

Relax and have lunch at one of the many quaint cafes in the French Quarter. They offer a mix of French pastries, continental dishes, and South Indian food.

Take a trip to Auroville, the 'universal town' dedicated to human unity. Visit the Visitors Centre to understand its philosophy. Walk through the peaceful grounds to the Matrimandir Viewing Point for a view of the iconic golden sphere.

Return to Pondicherry and spend the evening at Promenade Beach (also known as Rock Beach). The beachfront road is closed to traffic from 6 PM, making it a perfect place for a stroll. Key landmarks here include the Gandhi Statue and the Old Lighthouse.

Dine at a restaurant along the promenade, enjoying the cool sea breeze and the sound of the waves. Many places offer rooftop seating with excellent views.

Take a short boat ride from Chunnambar Boat House to Paradise Beach. This beautiful beach, with its golden sands and clear waters, is located on an estuary and is much cleaner and quieter than the city beaches.

After returning from the beach, have a final meal in Pondicherry. You could try some authentic Tamil cuisine in the Tamil Quarter for a contrast to the French-influenced food.

Spend some time shopping for souvenirs. The boutiques in the French Quarter offer unique crafts, apparel, and essential oils. The main market area on Mission Street is great for more traditional items.

Begin your journey back to Chennai. Plan your departure time based on your flight or train schedule, keeping in mind the 3-4 hour travel time and potential traffic.