See for JEE MAINS you can apply for any of the colleges participating in the JOSAA counselling be it in your state or any state, you can apply for it and if you have the rank required to be selected you will be selected. Also you can use the EWS rank for such cases. So you have nothing to worry about.

To know more about JEE MAINS counselling visit the link below:

https://engineering.careers360.com/articles/jee-main-counselling

For JEE MAINS college predictor visit the link below:

I hope this answer helps. All the very best for your future endeavors!