Hello,

Geology is very interesting subject. This is specially study on earth. So you can go far from this subject. You can be a geologist after completing your masters degree and you can research also.

Jadavpur University is the government University in West Bengal. It's present in kolkata..and yes it's definitely good.

And st Xavier's College Mumbai also good college. Now choice is yours. If you are stay in West Bengal then choose Jadavpur but if you want to explore yourself then go Mumbai.

All the best.