Zaakpay.com — delay in refund

Dear sir used ur gateway for irctc payment through my debit card, but have not received any refund from ur side. My txn details r as follows:

Pnr - [protected]
[protected] (Booking) 11-sept 2018, amt. Lnr 2200.68
[protected] (Cancelled) amt refunded inr 1900.00 to zaakpay pg

The said amt. Is refund by irctc, but not yet credited in my acc.