Paytm — Didn't get 50 rupess cash back

Address:

Indore, Madhya Pradesh

Hello Sir, I have 5 email times to Paytm for 50 rupees cash back regarding Paytm order no: [protected] Sep'1412:33 pm Recharge of Idea Mobile [protected] for Rs. 68 + 1 item ₹ 68 Amount paid₹ 78 Success But I still don't get my 50 rupees cash back. more than 15 days has pass. Please do something. Thanks, Pankaj Soni