Day 1: Arrive in Chennai, visit Marina Beach and Kapaleeshwarar Temple. Day 2: Explore Mahabalipuram and Kovalam Beach. Day 3: Visit San Thome Cathedral and Guindy National Park. Day 4: Travel to Mahabalipuram and return. Day 5: Explore Besant Nagar Beach and Chennai High Court. Day 6: Visit DakshinaChitra and Thiruvalluvar Statue. Day 7: Depart from Chennai.