Hello Tapan,
Congratulations for your rank. Getting government college with you general rank is little difficult but your obc rank is very good which will help you in getting government college. I'm listing some of the colleges where you can apply for admission.
1) Institute of Engineering and Technology (IET)
2) Bundelkhand Institute of Engineering and Technology
3) Kamla Nehru Institute of Technology
4) Institute of Engineering and Rural Technology, Allahabad
5) DBRAU - Dr. Bhimrao Ambedkar University
6) Lucknow University - LU
7) Feroze Gandhi Institute of Engineering and Technology
8)MJPRU - Mahatma Jyotiba Phule Rohilkhand University
9) CSJM - Chhatrapati Shahu Ji Maharaj University
Good luck.