Occupational structure refers working population in various types of jobs in a particular geographical area, region, block, district, state, country etc. Generally according to census there are three major type of occupation level which is primary, secondary and tertiary but according to study area we categorized occupational structure in six parts which is agriculture, labour, self trade, government job, animal husbandry and all other work. Occupational structure is affected by geographical location, economy, market location, technology, commercial education, traditional pattern etc. Scheduled Castes are a constitutionally declared collection of castes that are differentiated on the basis of certain criteria such as primitive traits, distinct culture, geographical isolation and general backwardness. Uttarakhand has various types of SC people groups that are known as Tamta, Kol, Shilpkar, Dom, Agariya, Badhik, Baiga, Bajgi, Balmiki, Patari etc. According to census 1991 the percentage of SC population in total population of Chamoli is 17.52%, in 2001 18.24% and 2011 is 20.25% only. Generally SC people are poor in economy due to various reasons like occupation selection, health, social reasons etc. Here we try to understand SC traditional and present occupational structure and its modification in Chamoli district.