Indigo Airlines — Failed Transaction amount not refund

Address: Jaipur, Rajasthan

I have replanted my travel date, during this i got one failed Transaction of 2250
after 6 days i didn't get any resonance from indigo. while making call on call center they are updating plz make call after 24/48 hours.
bank ref Number;
HSBI[protected]IGAACWVAH7
PNR:WD2L7D
Booking Data : 26/Oct/2016
Date Re plan for : 25/Oct/2016
Booking : Jaipur to Pune