Nafa.in — voucher payment not received

Sir my name is sagar. My ragister nafa.in email - [protected]@gmail.com on 18 september i
Have sell big bazaar vocher on nafa rs. 883. My payment request no. 15768. He said payment in 3 days but today is 13 day go. My payment show still in progress. Many time email them but not answer. My big bazaar vocher sell in rs.883. And he mail me your payment complete in 3 days. After that i have try to contact them but not any contact. No reply my email. I have attached screenshot of my payment request also. My payment request no.15768