Paytm — Ordere show delivered but i hav never received it

I orderd memorycard from paytm order no was[protected] on date 5th April. First thing it was so late to acept if order came to me because so many days has been gone and today when i checked my paytm account it tells me that the order has been delivered and accepted on date 17th April but i never accept any order from paytm And i wrote many mails to paytm for order not delivered they have not replied me related to my order. It was fraud done . I need my money back