Mts — Getting billed after service disconnection

Address:	560100
Website:	www.mtsindia.in

Dear Sir/madam,
I was using MTS Mblaze WiFi . my data card no is [protected]. My data card lost and I have disconnected the same on 12/01/16. I have cleared all my outstanding . Even though I am getting bill and MTS executive keep on asking me to pay the bill. Getting billed after deactivation also. I don't have dongle and not using. Do the needful