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Here are the top IIT's by NIRF Ranking in  India:

1. Indian Institute of Technology,Madras
2. Indian Institute of Technology,Delhi
3. Indian Institute of Technology,Bombay
4. Indian Institute of Technology,kanpur
5. Indian Institute of Technology,Kharagpur
6. Indian Institute of Technology,Roorkee
7. Indian Institute of Technology,Guwahati
8. Indian Institute of Technology,hyderabad
9. Indian Institute of Technology,Trichy
10. Indian Institute of Technology,Indore

For more colleges https://engineering.careers360.com/articles/nirf-ranking-2020-top-govt-engineering-colleges-in-india

Hope it helps!!!