Zaakpay.com — railway refund not received in my bank a/c

I have booked rly. Tatkal ticket on 24.05.2018 through irctc. Portal i have paid through hdfc net banking. Due to waiting list reason my rly ticketc cancelled on 24.05.2018. Irctc portal says payment is refunded on 27.05.2018 through zkpy. But cash not receved in my bank a/ c. Please resolve this as soon as possible
Pnr number-[protected]
Transaction id-[protected]
Refund id - zp56cec264041a3
Refund amt - 3195/-
My bank - hdfc bank
Phone no.[protected]