Morning: Catch an early budget flight from Chhatrapati Shivaji Maharaj International Airport to Chennai International Airport (≈ ₹4,200 per person). Upon landing, take a prepaid auto‑rickshaw to the city centre and check‑in at the budget‑friendly Hotel Sridevi (₹2,000/night).
Afternoon: After a quick refresh, stroll to Marina Beach for a leisurely walk and sunset view, then explore the historic Fort St. George (entry ₹30).
Evening: Dine at a local eatery on Thousand Lights Road for authentic South Indian dishes (≈ ₹500 for two). Return to the hotel for a good night’s rest.
Find HotelsMorning: Visit the ornate Kapaleeshwarar Temple in Mylapore (free) followed by a quick tour of the Government Museum (entry ₹20).
Afternoon: Take a shared auto‑rickshaw to St. Thomas Mount for panoramic city views (₹50 entry). Enjoy a light lunch at a nearby canteen (≈ ₹300).
Evening: Experience the bustling atmosphere of Besant Nagar Beach and have dinner at a seaside shack (≈ ₹600).
Find HotelsMorning: Board a state transport bus to Mahabalipuram (≈ ₹120 per person, 2 hrs). Explore the UNESCO‑listed Shore Temple and the rock‑cut Pancha Rathas (combined entry ₹70).
Afternoon: Wander through the lesser‑known Krishna’s Butter Ball and enjoy fresh seafood at a local dhaba (≈ ₹500).
Evening: Return to Chennai by bus, relax at the hotel, and perhaps indulge in a quick dessert at a nearby bakery (≈ ₹200).
Find HotelsMorning: Catch an early intercity train from Chennai Egmore to Pondicherry (₹550 per person, 3 hrs). Check‑in at the budget guesthouse Le Villa Guesthouse (₹2,200/night).
Afternoon: Walk through the charming French Quarter, admire colonial villas and the vibrant Promenade Beach (free). Grab a light lunch at a café offering croissants and filter coffee (≈ ₹400).
Evening: Visit the tranquil Aurobindo Ashram for meditation (free) and dine at a budget-friendly restaurant on Mission Street (≈ ₹600).
Find HotelsMorning: Rent bicycles (₹150 per bike) to explore Auroville, stopping at the Matrimandir (entry ₹200 for visitors). Enjoy the serene atmosphere of the surrounding gardens.
Afternoon: Take a local bus to Paradise Beach (₹50 entry, boat ₹250) for sunbathing and a swim. Have a picnic with snacks bought from a local market (≈ ₹300).
Evening: Return to Pondicherry, wander the lively Goubert Market for souvenirs, and savor street‑food delicacies (≈ ₹400).
Find HotelsMorning: Check‑out and board the early train back to Chennai (₹550 per person). Store luggage at the station locker (₹30).
Afternoon: Catch a budget flight from Chennai to Mumbai (≈ ₹4,200 per person). Upon arrival, take a local taxi to your home.
Evening: Celebrate the birthday with a surprise cake delivered from a popular bakery (≈ ₹800) and reflect on the memories of the trip.
Find HotelsTo stretch the trip, add an extra day in Mahabalipuram to explore the hidden Thirukadalmallai Temple or take a sunrise trek at Vellore Fort. If you need to cut costs, replace one night in Chennai with a dormitory stay at Zostel Chennai (≈ ₹800/night) and use overnight buses instead of flights. Booking flights and trains 4‑6 weeks in advance will secure the lowest fares, and eating at local canteens can reduce the food budget by up to 30%.