Hi, since you have 23435 general rank in UPSEE 2020 so based on this rank below I'm mentioning the colleges in which you can get a seat in Government college ;

• University Institute of Engineering and Technology, Kanpur
• Dr. Shakuntala Mishra National Rehabilitation University, Lucknow
• Mahatma Jyotiba PhuleRohilkhand University, Bareilly
• Bundelkhand University, Jhansi
• Feroz Gandhi Institute of Technology, Raebareli
• Veer bahadur Singh Purvanchal University, Jaunpur
• CSJM, Kanpur

Etc.

Moreover you can also visit on the below page where you can predict your UPSEE college by your own on behalf of your rank;

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

Good Luck.