The Indian Himalayan Region (IHR) is the section of the Himalayas within India, spanning 11 Indian states and union territories namely Jammu and Kashmir, Ladakh, Himachal Pradesh, Uttarakhand, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam and West Bengal. The region is responsible for providing water to a large part of the Indian subcontinent and contains various flora and fauna.