Hello Shubham Jain,

Best college for m.tech Civil in India -

1. IISC BENGALURU 

2. IIT BOMBAY

3. IIT DELHI

4.IIT MADRAS

5.IIT KANPUR

6.IIT KHARAGPUR

7.IIT VARANASI

8.IIT HYDERABAD

9. IIT GUWAHATI

and after that one can opt for NIT'S like warangal , trichy, suratkal, calicut, nagpur etc also one can go for college of engg pune and Anna University.

Thanku.