from this source Planning a roadtrip to Tawang? I think that you will find the information in this post useful.
Website The Last Vlog of the #Tourof2017. Packed with drama and adventure.
http://hollyhilltransportinc.com/th1s_1s_a_4o4.html 10 days spent riding through 3 States in North-East India to see some beautiful places. The highlights are captured in this video.