Canara Bank — Not received refund from paytm

I am Nihad Nazir, I had added Rs250 to my paytm account on April 30.But due to some emergency situatuion, I had to refund 250 rupees from my paytm account to my bank account on may 12, 18:07, But i have not received it till now. Its been almost 2 weeks but no sign of it. Please do something.
Account no.[protected]
Amount: Rs.250
Date: 12th May, 18:07