Bharat Sanchar Nigam [BSNL] — refund of deposit amount as well as extra paid amount not received

Address:

Surat, Gujarat, 394210

I have surrendered my landline phone number, and applied for refund of excess payment as well as deposit. I made my last payment on 20/10/2018. Eight months have been passed still no refund received. When i asked at telephone exchange about refund, they said you will receive the cheque by post within 3 months. On 22/03/2019 i again generated grievance online but nothing changed.in april'19 i called in customer care to know the status, but the way i received the answer was so irresponsible. The lady sitting on the other side was not agree to register my complain. She was insisting me to wait for one month. After a debate of 10 minutes i cut the call in frustration. Now i don't know whom to ask for this matter, because nobody is serious.

Ashok kumar somani