Dear aspirant,

As per the guidelines mentioned in the sites and as far as the jee mains or any entrance examinations is concerned the ews certificate will be valid for 1 year and so it is valid till 3rd of april 2022.

EWS certificate has some criteria like:-

1-Your family income should be less than 8L/annum.

2-You should not own more than 1000 St ft of flat.

3-You should not own more 5 acres of land.

For more information you can check out the link given below:-

https://www.careers360.com/question-what-is-the-eligibility-criteria-for-ews-for-jee-2019-april