Give the division of Himalayas from west to east

 1.GREAT HIMALAYAS or INNER HIMALAYAS or HIMADRI-they cover a distance of about 2400km.their width is between 400km to 150km.their average height is 6000m.they are mainly composed of granite.E.g.Mt. Everest

2.INNER HIMALAYAS or HIMACHAL HIMALAYAS-their average width is 50km.their height varies between 3700m to 4500m.they are mainly composed of highly compressed & altered rocks.E.g. Dhaula Dhar range

3.OUTER HIMALAYAS or SHIWALIKS-their average width is between 10-50km.their height is between 900-1100m.they are mainly composed of gravels and alluvium.E.g.Dehra Dun

On the basis of regions  from West to East we divide Himalayan region as follows :

i. Punjab Himalayas - The part of Himalayas lying between Indus and Satluj is called Punjab Himalayas .But it is also known originally as Kashmur and Himachal  Himalaya . 

ii. Kumaon Himalaya - The part of Himalayas lying between Satluj and Kali rivers is known as Kumaon  Himalayas.

iii.Nepal  Himalayas -The Kali and Tista rivers demarcate the Nepal Himalayas .

iv. Assam Himalayas - The part lying between Tista and Dihang rivers is known as Assam Himalayas. 

 very easy

easy

The Himalayas, the abode to the highest peaks on earth, are incredible mountain system of Asia and a great wall between the Plateau of Tibet to the north and the alluvial plains of the Indian subcontinent to the south. It is divided longitudinally into 5 divisions from west to east.

Know more | UPSC Syllabus

1. The Kashmir /Punjab/ Himachal Himalayas
2. The Kumaun Himalayas
3. The Central/ Nepal Himalayas
4. The Assam/ Eastern Himalayas

The Kashmir /Punjab/ Himachal Himalayas

Kashmir Himalayas lies between Indus River and Sutlej. A significant portion of the Himalayas lies in Jammu and Kashmir and Himachal Pradesh. This is also known as Punjab Himalayas.

In Jammu and Kashmir region:  It is characterized by high snow covered peaks, deep valleys, interlocked spurs and High Mountain passes. The range stretches for 700km in length and 500 km in width. It has a height of 3000 m with a large number of glaciers. The Ladakh region of the Kashmir Himalayas is dominated by cold desert conditions. The Kashmir valley which belongs to this division is surrounded by the Greater Himalayas and the Lesser Himalayas. The Karewa soil is found here and this area is famous for the saffron and other dry fruit cultivation.

Important passes of the Kashmir Himalayas: Pir panjal, Banihal, Zoji La, Burzil, Khardungla, Pensi- La, Saser- La, Lanak- La, Jara- La, Tasaka-La, Umasi-La and Qara-Tagh-La. The important snow-capped peaks are Nanda Devi, Trisul, Nunkun, Kamath and Nanga-Parbat

In the Himachal Pradesh Region: All the three ranges- the greater, the lesser and the outer Himalayas are well represented in this region. The northern slopes of the Himachal Himalayas are covered with thick forest, plains and lakes. The southern slopes are rugged with forest clad. The Kangra valley, Kullu- Manali lies here. These areas are highly productive and well known for orchards and scenic beauty. Dalhousie, Shimla, Chamba, Kullu- Manali and Dharam sala is the important hill station in this region. The important passes are Rohtang pass, Bara-Lacha, Shipki La.

The Kumaun Himalayas

This division lies between the Satluj and Kali River. The highest peak in this division is Nanda Devi. Important peaks in this region are Nanda Devi, Trisul, Kedarnath, Dunagiri, Kamet, Badrinath, Jaonli, Gangotri, and Bandarpunch. Pindari, Gangotri, and Milam are the important glaciers in this division. The major hill stations are Mussorie, Nainital, Ranikhet, Almora, and Bageshwar. The important passes are Thaga La, Muling La, Mana, Mangsha Dhura and Lipu Lekh.

The Central / Nepal Himalayas

This division stretches from stretches from Kali River to Tista River. Major part of it lies in Nepal except for the extreme eastern part- Sikkim Himalayas. The important peaks are the Mt. Everest, Kanchenjunga, Makalu, Dhaula giri, Annapurna, Manasuly, and Gosainath. Nathu La and Jelep La are the important passes in this region.

The Assam/ Eastern Himalayas

This division lies between Tista and the Brahmaputra River (Dihang). It occupies the state of Arunachal Pradesh in India and Bhutan. On the southern border of Arunachal Pradesh, it takes a southerly turn and ranges are arranged in North-South direction passing through Nagaland, Manipur, Mizoram and Tripura called Purvanchal.  The Purvanchal is joined by Meghalaya Plateau in the west and its extension of the Myanmar mountain chain continues to Andaman and Nicobar islands and to the Archipelago of Indonesia.

The Himalayas rise very rapidly in the plains of Assam and narrow at the foothills of Shiwaliks. It comprises of many hills called Aka hills, Dafla hills, Miri hills, Abor hills, Mishmi hills and Namcha Barwa. The important hills of eastern Himalayas are Pakai bum, Manipur hills, Blue Mountain, Tripura range and Brail range. The important passes in this region are Bomdi La, Yonggyap, Diphu, Pangsau, Tse La, Dihang, Debang, Tunga and Bom La