In the morning, take a boat ride on the stunning Ooty Lake, surrounded by lush greenery and hills. Enjoy the scenic views and cool breeze. In the afternoon, take a walk around the lake and visit the Deer Park nearby. In the evening, enjoy some snacks at the lake's food stalls and watch the sunset over the water.
Start your morning with a visit to the highest peak in the Nilgiri Mountains - Doddabetta Peak. Enjoy panoramic views of the valley below and take some cool photos with your friends. Afterward, head over to the Tea Museum to learn about the history of tea production in the region and enjoy some tastings. In the evening, visit the Thread Garden and be amazed by the intricate flower sculptures made entirely out of thread.
For your last day in Ooty, visit the stunning Pykara Falls. Take a dip in the cool waters and enjoy the breathtaking views. In the afternoon, visit the nearby Pykara Lake for some boating and horseback riding. In the evening, head over to the Government Botanical Garden and take a stroll amidst the vibrant flowers and trees.
In addition to the above itinerary, you may want to consider a visit to the Avalanche Lake, the Mukurthi National Park, or the Sim's Park. For side trips, you can visit Coonoor, a town known for its tea plantations and scenic railway ride. To maximize your fun, you can plan some fun group activities like paintball, go-karting, or rock climbing. Don't forget to try the local cuisine and shop for some souvenirs at the local markets. Have a blast!