For Geologist and Geophysicist and Chemist (Group 'A') in the Geological Survey of India, an attached office of Ministry of Mines, you must have attained the age of 21 years and must not have attained the age of 32 years on the first day of the month of January of the year in which the examination is to be held.
For Jr. Hydrogeologist (Scientist B) (Group A) in Central Ground water Board, you must have attained the age of 21 years and must not have attained at the age of 35 years on 1st January of the year in which the examination is to be held.
The upper age limit is relaxable in certain cases.
(i) For Geologists Gr 'A' in Geological Survey of India
Master's degree in Geological Science or Geology or Applied Geology or Geo-Exploration or Mineral Exploration or Engineering Geology or Marine Geology or Earth Science and Resource Management or Oceanography and Coastal Areas Studies or Petroleum Geosciences or Petroleum Exploration or Geochemistry or Geological Technology or Geophysical Technology.
(ii) For Geophysicists Gr 'A' in Geological Survey of India
M.Sc. in Physics or Applied Physics or M.Sc. (Geophysics) or Integrated M.Sc. (Exploration Geophysics) or M.Sc (Applied Geophysics) or M.Sc. (Marine Geophysics) Or M.Sc. (Tech.) (Applied Geophysics).
(iii) For Chemists Gr 'A ' in Geological Survey of India
M. Sc. in Chemistry or Applied Chemistry or Analytical Chemistry.
(iv) For Junior Hydrgeologists (Scientist B), Group 'A' in Central Ground Water Board
Master’s degree in Geology or Applied Geology or Marine Geology or Master's degree in Hydrogeology.