Hello,

EWS certificate is economical weaker sections certificate. If your parents income less than 8 lakh per annum then you are under the EWS category. But this certificate issue must be on or after 1st April, like financial year starting. And the certificate value till one year. Here your certificate generated in 16th January 2021, so there may be some issues occur. Where you will be getting admission you can direct talk to them with your certificate date. May be they will solve your problem and understand you.

All the best.