Hello student,

EWS stands for Economically Weaker Class. These are the persons who don't have gross income over 8 lakhs per annum. 

In NEET, there is a proposal to implement reservation of 10% for EWS candidate for the year 2019-2020. But till now it has not been levied into force.

The documents required for the same is Income and Asset Certificate issued a government office.

Cheers!!