The Indian Himalayan Region (IHR) covers 10 mountain states and four hill districts of India that make up our north and north-eastern borders. It stretches from the mountains in the northern states of Jammu and Kashmir, Uttarakhand, and Himachal Pradesh, to north eastern states of Sikkim, Arunachal Pradesh, Meghalaya, Manipur, Mizoram, Nagaland and Tripura, and the hill districts of Dima Hasao and Karbi Anglong in Assam and Darjeeling and Kalimpong in West Bengal. The IHR is characterised by diverse demographic, economic, environmental, social and political systems.