The unfortunate part of an EWS certificate is that they are issued in the name of the head of family. This is since EWS criteria is held on the basis of overall annual income and asset holding by the family.

However, you can still try the following:

You may even consult your local Tehsildar- place your case before the Tehsildar's office. They may be able to guide you in what to do next with your application.

It is specific in some states by the guidelines they give to the students applying for the certificate. Check with local authorities on current updates.

Central Government Guidelines:

The central government guidelines for EWS certificates may provide for specific provisions on students applying for higher education. Consult Legal Advice

If you have problem then approach a lawyer. He can give you proper legal guidance for walking through the process.

Don't forget all the essential documents such as income certificates, property documents, etc. supporting the EWS claim.

Start on time so that one gets all the required documents in hand and submits them by time, thereby completing the whole application procedure for JEE.