Hello,
EWS category means economical weaker section category. If your income or your parents income less than 8lakhs per annum so you are eligible for EWS category. If you are a government employee but your salary less than 8 lakhs per annum then also you are belongs in EWS category.
All the best.
Income wise you are obviously eligible(if you are the sole member of your family then only) but there are also some other factors involved in order to be eligible for EWS criteria:
You can get the EWS form by typing 'EWS application form <your state name> pdf' on Google search.
I hope my answer helps. All the very best for your future endeavors!
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