Hello aspirant,

As you have Physics, Chemistry, Mathematics and Biology in 12th, you can pursue Geology in your degree easily in any university if you are really interested in Geology, here is a list of some colleges where you can get a degree in Geology,

=> Presidency College, Chennai

=> Christ College, Irinjalakuda

=> Mahadev PG College, Varanasi

=> Parul Institute of Applied Sciences, Vadodara

=> AWH Special College, Calicut, etc.

There are several institutions which conducts entrance test for geology course, on college level, state level or nation level. You can appear for any of them considering the eligibility for each college.

Hope it helps you..

Best of luck..