EWS Category has been allotted for those Candidates who belong to General Category and whose annual income is less than 8 lakhs from all sources along with other eligibility criteria. This Category Candidates do not claim any reservation benefits of OBC,SC,ST. And there is no Central EWS and State EWS certificate separately. So if you have a valid EWS Certificate, it can be used across India. So your EWS certificate allows you to use it for admission to IPU Colleges.