Classify Himalayas on the basis of regions from east to west.
1. The part of Himalayas lying between Indus and Sutlej has been traditionally known as Punjab Himalayas. But it is also known regionally as Kashmir and Himachal Himalaya from west to east.
2. The part of Himalayas lying between Sutlej and Kali River is known as Kumaon Himalayas.
3. The Kali and the Tista rivers demarcated the Nepal Himalayas.
4. The part between Tista and Dihang rivers is called Assam Himalayas.
5. The eastern most boundaries of the Himalayas are demarcated by Brahmaputra. Beyond Dihang gorge the Himalayas bend sharply to the south and spread along eastern boundary of India. They are called Purvanchal.
