enter site Planning a roadtrip to Tawang? I think that you will find the information in this post useful.
http://chennaitrekkers.org/wp-json/tribe/events/v1/events/?tags=kids 10 days spent riding through 3 States in North-East India to see some beautiful places. The highlights are captured in this video.
follow link This blogpost gives you all the information you need to know about the permit(s) that you need to travel in Arunachal Pradesh (North-East India).