LittleApp — transaction amt debited from my ac but coupon not generated amt not refunded as well

Address:	Thane, Maharashtra, 401303
Website:	banglore delhi online website they holb customer service no ringing 08046724672

Great escape ticket booked through the little app website for 4 people on 17/05/2018 amt debited from paytm wallet ac but coupon not generated nor amt refunded back to paytm account.
Transaction details are as follows
My name is imran lakadawala [protected].
Email id [protected]@gmail.com

Paytm_wallet
Paid for orderlittle internet private l order #[protected]transaction id [protected]-05-17 09:56:17 pm
Rs 2, 760
-
Success
Paytm_wallet
Added to paytm accounttransaction id [protected]-05-17 09:56:17 pm
Rs 2, 760
Success bank txn id: 6615
Please help me in getting a refund from the company.