Paytm Mobile Solutions — regarding cashback not credited

Address:

803201

Dear sir my paytm account with registered number [protected]
i have availed a cashback offer through bhim upi payment . I have done a transaction of on 23 but still today no cash back amount has been credit in the account. The upi refrence id is[protected].they said on transaction of RS .50 or more there is a cash back of RS 100 within 48 hours no money has been yet credited...