Major Physical Divisions of India
(1) The Himalayan Mountains:
(i) Three parallel ranges:
(b) Himachal or Lesser Himalayas
(ii) Divisions demarcated by River Valleys:
(a) Punjab Himalayas
(b) Kumaon Himalayas
(c) Nepal Himalayas
(d) Assam Himalayas
(2) The Northern Plains: Indus, Ganga and Brahmaputra plains.
(3) The Peninsular Plateau:
(a) Central Highlands
(b) Deccan Plateau
(4) The Indian Desert
(5) The coastal plains
(a) Western coastal plain.
(b) Eastern coastal plain.
(6) The Island groups:
(a) Andaman and Nicobar Islands.
Main Mountain and Hill Ranges:
(i) In the Himalayas-Karakoram, Western Himalayas, Eastern Himalayas, Purvanchal.
(ii) In the Peninsular Plateau-Vindhyachal, Satpura, Mahadeo, Western Ghats and Eastern Ghats, Nilgiri Hills, Cardamom Hills.
(i) Flowing into the Bay of Bengal
(a) Ganga-Brahmaputra river system and their tributaries.
(b) Peninsular Rivers: Mahanadi, Godavari, Krishna and Kaveri.
(ii) Flowing into the Arabian Sea
(а) Indus river system with tributaries
(b) Narmada and Tapi rivers.