Boat — I havent got my replacement

I made a complaint for the replacement of my earphones (boat rockerz wireless Bluetooth headphones blue) on 28 may the ticket no is 2396781.My product has been taken and by the courier service and according to them my product has arrived the hub on 1 june. But till now i didn't recived my product and also i didn't recieved any notfications from them.so please look into this and give a proper solution..and i want my replacement as soon as possible.