Check out Bhandardara, dist. Ahmednagar. It's an amazingly beautiful place. There's mountains all around. Bhandardara is situated in the midst of Sahyadri range. You must visit this place once at least. Check out The Land Of Wanderlust (TLOW) website..... https://thelandofwanderlust.com/
Day1 Fly to Bagdogra and transfer to Gangtok
Day 2 Explore Gangtok visit tsongo lake and moanstaries
Day 3-5 North Sikkim Tour: Lachen, Gurudongmar Lake, Lachung
Day5 Back to Gangtok
Day6- flyback
Arunachal Prdesh is a big state. It is beautiful and there are 12 different destinations to explore.Decide first where to go. Accordingly start preparations. for the trip.One has to take Inner Line Permitt to enter in this beautiful part of our country.This ILP is avilable online.