Hi Akhil, on behalf of your rank i.e. your general rank which is 12000 and on your EWS category too, below I'm mentioning the colleges both Government/Public and private you can choose anyone of the below colleges with CSE branch;

• Bundelkhand University, Jhansi
• MJPRU, Bareilly
• Feroz Gandhi Institute of Engineering and Technology, Raebareli
• Lucknow University
• Veer Bahadur Singh Purvanchal University, Jaunpur
• Dr. Ram Manohar Lohia Awadh University
• Chhtrapati Shahu Ji Maharaj University, Kanpur
• Universiy of Engineering and Technology, Kanpur
• Dr. Shakuntala Mishra National Rehabilitation University, Lucknow
• Babu Banarasi Das National Institute of Technology

Etc.

You can also visit on the below link to predict your college by your own on behalf of the the rank you have got(link mentioned below):-

https://www.careers360.com/upsee-college-predictor

Good Luck.