Hi Indusri, hope you are doing well, you got very good marks in board but your marks in mains is not sufficient enough to get you into iits and nits. I suggest you go with some private colleges like lpu which are good in both placements as well as academics so that you can get into your desired stream. To know more about the admissions through jee mains, go through the rank predictor in jee mains, the link for rank predictor is provided below

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

I think it helps you!!!

Keep smiling:)

Wish you good luck!:)