The eligibility criteria for the UPSC Combined Geo-Scientist and Geologist Examination are as follows: UPSC Geo-Scientist Eligibility Criteria, Geologist Age Limit 1. Nationality: A candidate must be one of the following: A citizen of India. A subject of Nepal or Bhutan. A Tibetan refugee who came to India before January 1, 1962, with the intention … Continue reading UPSC Geo-Scientist Eligibility Criteria, Geologist Age Limit