The Northern Mountain Region :
- Spread from JK to Arunachal Pradesh.
- Wider in west (500km) than east (200 km)
(due to strong compression forces in the
east,most of the high peaks are also
located the eastern region. Like
Kanchenjunga) - Himalaya fromed due to : Collision
between Angaraland and Gondwanaland. - Tethys seas : Between Angaraland and
gondwanaland. - They are new fold Mountains.