hello there

being a pwd candidate will going to help you a lot in your nest exam . about 5% are reserved for pwd candidates . you may also get relaxation in eligibility criterias as . but make sure you have correct documents as well .now i don't know how easily you can get selected ,so you must do hard work as exam is a bit tough .go through this link to know more

https://university.careers360.com/articles/nest-eligibility-criteria

best wishes