Mahanagar Gas — refund

Address:

400091

I have made payment of 295.64 through HDFC PAYZAPP on 9 june 2017 to mahanagar gas limited . Reference no. :[protected].
The money was debited from account but mahanagar gas limited didn't received the amount.
I called hdfc payzapp and they have confirmed the transaction was successful from there end with Transaction id MVISA[protected]A89C10.
I have called 10 to 15 times but every time mahanagar gave me different complaint number.
So please see to my problem and reply.