If you have an additional day, you can visit the Vashishta Gufa Cave where sage Vashishta meditated. You can also enjoy longer rafting expeditions or go for a Bungee Jump or Flying Fox activities.
If you have less time, you can skip one activity from Day 1 or Day 2.
It is advisable to carry sunscreen, hats, and comfortable shoes on all days. Always carry a water bottle and valuables with you. You can hire a taxi or take a shared auto-rickshaw for local travel.