Visit the Mysore Palace (9 am to 5:30 pm) and Devaraja Market (6 am to 9 pm). Take a stroll through the beautiful Brindavan Gardens (6 am to 8 pm) to see the musical fountains.
Spend two days exploring the Bandipur National Park (6:30 am to 9 am and 3 pm to 5:30 pm). Take a guided safari tour to see tigers, elephants, and other wildlife. Visit the Bandipur Tiger Reserve (9 am to 5 pm) to learn about conservation efforts for endangered species.
Relax in the scenic hill station of Ooty. Visit the Doddabetta Peak (9 am to 6 pm) for panoramic views of the Nilgiris. Take a boat ride on Ooty Lake (9 am to 6 pm). Visit the Botanical Gardens (7 am to 6:30 pm) to see exotic flowers. Children will enjoy the Thread Garden (9 am to 7 pm) which has beautiful flower arrangements made entirely out of thread.
Spend a half-day in Coimbatore before taking a night flight back to Chennai. Visit the Marudamalai Temple (5 am to 1 pm and 2 pm to 8 pm) located on a hilltop with scenic views. For families with small kids, the Kovai Kondattam Amusement Park (10 am to 6:30 pm) has water rides and attractions. Do some last-minute shopping at the Brookefields Mall (11 am to 10 pm).