Question

what are the different regions of the himalayas demarcated by river?

Answer 1

Kali and Titsa rivers demarcate the Napal Himalayas.iv.the part of lying between Titsa and Dihag rivers  is known as Assam .the Drahmaputra marks the eastern most boundry of the Himalayas

Answer 2

heyyy dear here is your answer......
based on longitudinal divisions the himalayas have been divided on the basis of region west to east.these divisions have been demarcated by the river valleys.they are..
the part of Himalayas lying between the indus and the satluj river is known as punjab himalayas.
the part of himalayas lying between the satluj river and the kali river is known as kumaon himalayas.

the part of himalayas lying between the kali river and teesta river is known as nepal himalayas.
the part of himalayas lying between the teesta and the dihang river is known as assam himalays..
i hope this information will help you....