Hello Student

E w s candidate get the privileges of 10% reservation in admission in any course in India. Whose family income is within 6 lacs per annum is eligible to get this certificate from the respective authority. As you have an e w s certificate so you have to get the opportunities and privileges from the certificate in course of admission in any engineering college, or university or institutions in India. So you have to  include this e w a certificate copy jee examination application as there is an option for changing the category. So maintaining the procedure you should have to change your category to get the privileges of e w s certificate