Hello student,

• As you asked for best college for geology in south india so here i am providing a list of the top  most colleges in all over india india south india as follow :
• Fergusson college, Pune.
• Presidency college, Kolkata.
• Lady Shri Ram College, Delhi.
• Bangalore University.
• University of Hyderabad.
• Maharaja Sayajirao University, Baroda.
• Government college of Arts, Science and Commerce, Goa.
• Pondicherry university.
• Sagar university, Sagar, MP.
• St. Xavier's college, Mumbai

Thank you :)

Hello,

Best B.Sc honours (Geology) college in South India are -

BHU

AMU

Banki College

Bankura University

Bundelkhand University

Cluster University of Jammu

Durgapur Government College

Thanku.

Helloo, according to the search i have done Loyala college in Chennai and Mount carmel college is the best college from all you can opt for.. 

even coiambatore institute is the best college.. 

all the best!!