1) Indian caste 
Tyagi is a surname with its origins in North India and Pakistan. The name is prevalent in both Hindu and Muslim communities.It is a Sanskrit word meaning `the renouncer`.{Page needed|date=June 2012}{Page needed|date=June 2012} Once localized to Western Uttar Pradesh, Uttarakhand, Haryana, Rajasthan and Delhi, they are now also found in Sindh and.....