Balance Due Payment For Telephone after disconnection

Dear Sir, I had disconnected my telephone connection after my transfer through email ( 19.09.2016) and paid all the amount of last bill I received form company. Company disconnected the phone (on 21.09.2016) & informed me via e-mail that the final disconnection will be done after final payment. I agreed & I replied via email (on 21.09.2016) to e mail me the balance dues if any after that there was no communication from company side. On 10.11.2016I got phone from some lady who said that she is calling from Thees Hazari court, New Delhi information desk that company has filed case against me for non payment of bill & given me some advocate number for detail. Advocate told me that I will got samman from local Police station today on 1400 Hrs. & i had to met him at Delhi after getting sammans. He suggested me to make make payment to avoid the case against me and he will send NOC / Notice from company after making payment of bill I called customer care & they also suggested me to pay the dues immediately. I paid the same & asked for my final bill / NOC which she assured she will mail me.( On payment receipt she wrote Legal Payment received) But after making payment no one is listening to me and are refusing to give final bill and No Dues. I was getting all my bills on my e mail, and no notice / bill was send to me, neither I was given any time to pay the balance dues before taking legal action against me. But as I already wrote I had asked them via email for my balance dues but they didn't respond. Now they are not giving me detail of amount i paid as full and final or No Dues /NOC Please guide. Thanks Jaswinder Singh