Aircosta — No refund/No reply by Aircosta on flight ticket which is cancelled by airline.

Address:	Krishna, Andhra Pradesh, 500019
Website:	www.aircosta.in

I have booked aircosta flight Hyderabad to Ahmadabad on 10 March 16:40. I got message on 8 march by SMS that it has been cancelled. After that I mailed so many times and made phone calls to customer care. Initially they reverted that please wait 20-25 days. but after that they stopped replying. and no reply on mail and call not attended for even after a hour of waiting.

PNR: 02SM0P,

Air Costa Flight 695
Mar 10-Confirmation #02SM0P
Hyderabad HYD
4:40 PM
Ahmedabad AMD
6:15 PM

Please help me how can I have my money back.