As you want to get the details that will you be able to get admission in M.Tech after M.Sc in Geology so here is the information of the same for you:

Yes you can get admission

But there is little problem there are very few institutes in India which offers to study M.Tech after M.Sc.

Top M tech Colleges in India is as follows


IIT Bombay, India
IIT Kanpur, , India
IIT Delhi, India
BITS, Pilani University, India
IIT Kharagpur, , India
IIT Madras, India
IIT Varanasi(ex-IT BHU), , India
IIIT Allahabad, India
IIT Guwahati, India
ISM Dhanbad, India
College of Eng., Anna University, Guindy, India
NIT- National Institute of Technology, Waranga, India
New IITs, India
BIT, Mesra, Ranchi, India
NIT- National Institute of Technology, Trichy, India
Delhi College of Engineering, New Delhi, India
Punjab Engineering College, Chandigarh, India
NIT- National Institute of Technology, Suratkal, India
Motilal Nehru National Inst. of Technology, Allahabad, India
IIIT, Hyderbad, India
Bengal Eng. and Science University, Shibpur, Howrah, India
MANIT, Bhopal, India
PSG College of Technology, Coimbatore, India
Thapar Inst of Engineering & Technology, Patiala, India
Harcourt Butler Technological Institute, Kanpur, India
Malviya National Institute of Technology, Jaipur, India
VNIT, Nagpur, India
NIT- National Institute of Technology, Kozhikode, India
Dhirubhai Ambani IICT, Gandhinagar, India
Osmania Univ. College of Engineering, Hyderabad, India
College of Engineering, Andhra University, Vishakhapatnam, India
Netaji Subhas Institute of Technology, New Delhi, India
NIT- National Institute of Technology, Kurukshetra, India
NIT- National Institute of Technology, Rourkela, India
SVNIT, Surat, India
Govt. College of Engineering, Pune, India
NIT- National Institute of Technology, Jalandhar, India
JNTU, Hyderabad, India
R.V. College of Engineering, Bangalore, India
NIT- National Institute of Technology, Jamshedpur, India
University Visvesvaraya College of Eng., Bangalore, India
VJTI, Mumbai, India
Vellore Institute of Technology, Vellore, India
Coimbatore Institute of Technology, Coimbatore, India
SSN College of Engineering, Chennai, India
IIT Roorkee, India
College of Engineering, Trivandrum, India
NIT Durgapur, Durgapur, India
SIT, kolkata, India
Mumbai University Inst. of Chemical Tech,India