No its not okay to upload BC certificate rather than OBC certification as rrb NTPC clearly defines The foundations of obc certification which states which the certificate needs to be issued by an authorized authority, such as a District Magistrate, Collector, Deputy Commissioner, or Revenue Officer and it have to https://rrb-vacancies24444.blogdiloz.com/31759597/railway-recruitment-bangalore-last-date-rrb-apply