Hey,
Indian Institute of Science,Bangalore does not offer Bachelor of Science in Geology.
It offers four year Bachelor of Science programme(Research) in the following courses:
1.Biology
2.Chemistry
3.Earth and Environmental Sciences
4.Materials
5.Mathematics
6.Physics
The minimum eligibility criteria is to pass 12th from a recognised board with Science stream. The candidates must have studied Physics,Chemistry,Mathematics as main subjects in their 12th with minimum 60 percent in aggregate.
For detailed information follow the link given below:
https://www.iisc.ac.in/ug/info_brochure.html
Hope this helps.
Good luck.

IISc Bangalore

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