15620 Kamakhya Gaya Exp has an RSA with 05619/05620 New Delhi Kamakhya Superfast Summer Special..The proof is 05619 has arrived KYQ @ 12.55 after a delay of 28 Hrs 50 mts...So 15620 is rescheduled to leave @ 17.00(will be delayed further)which otherwise leaves @ 07.00