No its not all right to upload BC certification as an alternative to OBC certificate as rrb NTPC Plainly defines the rules of obc certificate which states which the certification needs to be issued by an authorized authority, like a District Justice of the peace, Collector, Deputy Commissioner, or Income https://private-jobs-in-delhi-ncr20516.blogrelation.com/38451923/railway-recruitment-bangalore-last-date-rrb-apply