Hello Navya!

As you are a resident of Kerala, I am listing some private colleges for BSc Geology in Kerala as well as other states.

In Kerala:-

• Bishop Kurialacherry College For Women ( BKCW) , Kottayam
• Gems Arts And Science College ( GEMS COLLEGE) , Malapuram
• Mar Sleeva College Of Arts And Science ( MSCA) , Idukki
• MES Ponnani College ( MESPC) , Ponani
• Christ College, Irinjalakuda
• AWH Special College, Calicut
• Sree Narayana College, Sivagiri
• Sahrdaya College of Advanced Studies of Art and Science, Thrissur
• Sree Narayana College, Chempazhanthy

In Karnataka:-

• Manipal Institute Of Technology ( MIT) , Manipal
• P.E.S. College Of Engineering ( PESCE) , Mandya
• KGF First Grade College ( KGFGD) , Kolar
• Padmashree Group Of Institutions , Bangalore
• East Point Group Of Institutions , Bangalore

Some other private  for BSc geology all over India:-

• Parul Institute of Applied Sciences, Vadodara
• Sinhgad College of Science, Ambegaon
• National College, Tiruchirappalli
• Jawahar Science College, Neyveli
• BFIT Group of Institutions, Dehradun

You can find many other colleges in the article below:-

https://university.careers360.com/colleges/list-of-bsc-in-geology-degree-colleges-in-india

All the best!