This train running from Una (5.00 am dept.) to N.Delhi (12.00 arr./14.30 dept)-Una.(22.00 arr.)
It may possible that there is no facility to maintenance of coach to Amb.
Una-Amb 27 klm. it may cross in 30 min. as per other exp. i.e. Himalaya Exp.
Do u think IR will gets passenger from Amb?