This paper focuses on the Changpas of Kargyam, with a specific focus on rules, norms, and patterns that govern the construction of social relationships in the family system and the factors that have influenced it. It provides an overview and description of these changes based on fieldwork carried out in 2010-12. Some of the important factors are the increased presence of Indian security forces after the 1962 Indo-China war, tourism, a new motor road, educational facilities and various government welfare schemes. Each of these factors has had an impact on the social structure of Changpa communities