If a candidate is suitable for age rest on more than one ground, he could be accorded the very best of the bounds (not cumulative) for which he is qualified. The bare minimum qualification demanded varies with regards to the write-up. Make reference to Annexure A on the in-depth notification https://railway-kolkata36712.like-blogs.com/32110235/railway-recruitment-kolkata-rrb-group-d-32000-vacancy-pdf