Paytm Mall — My order id [protected] dtd 11th January

I have ordered salted cashew as par description given by seller at paytm mall shopping app for 800 gram weight but I have recd. only 400 gram (2×200 gram) on 16th January instead of 800 gram as seller given in description clearly.
I have raise a complaint no. 18102717 with full detail on paytm customer care on 17th January but get no response from paytm till today.
Pls resolve it with paytm and oblige.