No its not alright to add BC certification rather than OBC certificate as rrb NTPC Evidently defines The principles of obc certificate which states which the certificate needs to be issued by a certified authority, like a District Justice of the peace, Collector, Deputy Commissioner, or Revenue Officer and it https://edgarupcmy.bloguetechno.com/railway-recruitment-bangalore-last-date-rrb-apply-67659168