No its not ok to add BC certification in lieu of OBC certificate as rrb NTPC Plainly defines the rules of obc certificate which states that the certificate should be issued by a licensed authority, such as a District Justice of the peace, Collector, Deputy Commissioner, or Profits Officer and https://railwayrecruitment45566.getblogs.net/65199461/railway-recruitment-bangalore-last-date-rrb-apply