i think you are late enough but instead of wasting time you can contact diffrent college for the admisson process. may be you will get admission or try takling admission directly through mangement qout also. all the best. have a great future ahead.

Yes you can still apply in various colleges

you should refer to the following link to check the possibility of getting admission in one of the colleges which consider jee main for admission mostly include IITs and NITs.

It contains college wise ,category wise cutoff of previous years of various colleges which will help you to predict your chances in getting admission in one of them!

https://engineering.careers360.com/articles/jee-main-cutoff-for-b-arch-b-planning?amp

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

GOOD LUCK