Blue Dart Express — missing the product

Address:	680665
Website:	Blue dart

I didn't receive my product even now. You are not attending any calls and i didn't receive any reply mail too. When i got enquired with shop they are giving any answers. Track location is kochi mini hub. The expected date of delivery is on 16 of october now its 26 th, now when i go ask with the kochin hub they are telling the product is missing. And my product is oneplus3t handset and it cost 25000. If i didn't get any reply or lagging is going i am going to complaints.