Actually i lost my origibal OBC certf.But i have a xerox.Can we upload a xerox copy instead of original OBC certif? Will that be a problem?
Are you asking for CAT application form? The Applicants belonging to reserved categories have to download the category certificates and enter the required information and get them attested by appropriate authorities, self-attest, scan and upload. You can check the further deatil with the given below link.
https://bschool.careers360.com/articles/cat-registration
Good Luck!