Question

1 . Write the difference between Western Himalayas and Eastern Himalayas ?

Answer 1

eastern himalayas
1. punjab himalayas
2. kumaon himalayas
3. nepal himalayas
4. assam himalayas

all the eastern himalayas are made of mainly rivers and their tributaries.

whereas western himalayas are made of hills.they are 
1. patkai hills
2. naga hills
3. manipur hills
4. mizo hills 
5. garo hills
6. kashi hills and
7. jaintia hills

these are collectively called Purvachal.