HDFC Bank — booked and cancelled train tickets but haven't received to my hdfc account

Address:

500008

Booked one Ticket on 25th May 2019 and cancelled it on 3rd June and till now refund is not transferred to my bank account.
Train Transaction Id; [protected]
Bank Transaction Id:[protected]
Transaction Amount: 751.80
Refund Amount: 675.00

Booked 2 Tickets on 02nd June 2019 and cancelled it on 3rd June and till now refund is not transferred to my bank account.
Train Transaction Id; [protected]
Bank:[protected]
Transaction Amount: 1, 492.78
Refund Amount: 1100.00