Paytm.com — wrong product sent.no refund.

Address:

Jhajjar, Haryana

i had ordered a pair of zovi shoes from paytm.com with ORDER NO.[protected] and payment was done through paytm cash.Paytm Cash Transaction No B529F123A110E60B. but instead i was sent a cheap polyester women's apparel. when i wrote to them, they replied that it will be returned and money will be refunded. but no action has been taken yet. its almost been a week. please help me resolve this.