(i) Bhatia Sushum, DranyiTsegyal and Roweley Derrick (2002) “A social and demographic study of Tibetan, refugees in India”. Social Science and Medicine, Vol, 54: 411-422.
(ii) Census of India (1981) District census handbooks of Kangra, Mandi, Sirmaur, Kullu Shimla, Solan &Chambadistricts of Himachal Pradesh.
(iii) Chandna, R.C (2005) “geography of population”. Concepts, Determinants and patterns, Kalyani publisher, New Delhi (PP 107-108, 299-301, 317-320)