Based on previous year NSR round cutoff you can have the chance to get
Indian Institute of Technology Gandhinagar, Indian Institute of Technology Patna for M.tech civil engineering.
To know your other admission possibilities you can use GATE College Predictor tool given below.
GATE College Predictor 2020 - Predict Colleges based on your GATE Score
GATE 2020 College Predictor with PSU Chances – Know your admission chances in Engineering colleges based on GATE Score, Caste, Paper Code & ...