IndiGo Airline — Billdesk regarding air ticket booking of indigo air refund

Address:	Gurgaon, Haryana, 122002
Website:	www.goindigo.in

I tried booking an air ticket. The money got deducted but no booking done. This was done on 12/7/2016. Its been a week now no money refunded in the account. Below is the email i received same day.
Dear hitalkumar chheda,
Kindly note the indigo transaction id below for your reference.
Transaction id: b04cf4e4b45d[protected] for inr 6356.00.
In case amount gets deducted from your account however we haven’t received it, our endeavor will be to offer you a booking with the same affordable price within few mts, seeking alternate mode of payment. The amount already deducted will be credited in 3-4 working days. To track the status of reversal, quote above mentioned trasnaction id.
Regards,
Customer relations