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