Day 1: Arrive in Chennai, visit the Marina Beach and Kapaleeshwarar Temple. Day 2: Explore the Mahabalipuram and return. Day 3: Visit the San Thome Cathedral and return. Day 4: Travel to Mahabalipuram and return. Day 5: Explore the Guindy National Park and return. Day 6: Visit the DakshinaChitra and depart. Day 7: Depart from Chennai.