Hi Chandu, hope you are doing well, with your percentile of 75.59 you can try for both best private and government colleges. I suggest you go through the rank predictor in jee mains in careers to know more about your admissions through jee mains. The link for rank predictor is provided below, kindly go through it

https://engineering.careers360.com/jee-main-college-predictor

I think it helps you!!!

Keep Smiling:)

Wish you good luck!:)