Air Asia — Refund of ticket owing to time change of flight

Address:

Bangalore, Karnataka, 560064

I have booked my wife(MRS. KAVITA MEENA) ticket for Delhi to Bangalore journey to be performed on 26/03/2017 in AirAsia Flight No.I5-721 departure time 17.25( PNR NO. MPFD7R). Now AirAsia have resheduled the departure time to 20.15.IN view of the above I have spoken to Air Asia Customer Care for full refund (Complaint No.CAS[protected]V5VYJ9) they have assured for full refund. Now they are not attending my calls, I want to know the status.