Paytm — Non refundable amount

I purchase android Mobile Name Reach Allure Speed from GADGET 360 SHOPPING and paid through paytm wallet from my debit card the transaction failed but the money was deducted and it was said that the money will be returned in 2 to 3 days but it is still not forwarded into my account. The date is 24/12/2016 Paytm App Pos 731322... I complaint to the gadgetz 360 shopping but they said they can't do anything, I had contact to the bank but they said transaction already done through PAYTM I had contact PAYTM but they said to contact the bank... Please help me where should I compliant... Such issue will make people aware of digital payment