Paytm Mobile Solutions — ordered 2 quantity of product received only one

Website: www.paytmmall.com

Hello, sir I ordered 2 quantity of product on paytm on 04/07/2018. delivery on 07/07/2018. I received only one product. after that I chat to customer care they accept it that there is a problem somewhere and we are not delivered your one product. after that, no response.i have tax invoice of 2 quantity of product.
order id: [protected]
shipment reference [protected]
product name: jbl earphone T110