You should consider a doctor and he/she will certify the level of disability you have and according to that you will be considered to be PWD.

Eligibility of Hearing Disable:

The definition of hearing disabled as stipulated in the PWD Act, 1995 is a person who has a minimum of 60dBHL of hearing impairment in the better ear in speech conversation frequencies.

Visit the link below for JEE ADVANCED 2021 & check out the cut offs:

https://engineering.careers360.com/articles/jee-advanced-cutoff

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