Hi abdul, hope you are doing well, I undestood that you got 36.71 percentile in jee mains. I suggest you go for some private colleges which are good both at placements as well academics. With your percentile you can not expect any good private or government colleges. To know more about the admissions through jee mains, kindly go through the rank predictor in careers, the link is provided below

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

I think it helps you!!!

Keep Smiling:)

Wish you good luck!:)