Hello Yash...

These are the Top Colleges of India prefered for B-tech Civil Engineering...

Private 

1) VIT University, Vellore 

2) SRM University, Chennai 

3) Manipal Institute of Technology, Manipal 

4) Amrita School of Engineering, Coimbatore 

Government 

1) Indian Institute of Technology Madras 

2) Indian Institute of Technology Delhi 

3) Indian Institute of Technology Bombay 

4) Indian Institute of Technology Kharagpur 

5) Indian Institute of Technology, Kanpur 

6) National Institute of Technology Tiruchirappalli 

7) Delhi Technological University, Delhi

Hope these will be helpful..

All the best!!