Tneb — tneb transaction got failed but refund not initiated even after 27 days

Website:

www.tnebnet.org

I have made TNEB payment through STATE BANK OF INDIA 3 times since i got payment failure. But the money got debited of Rs.896 each time, total of Rs.2688 debited from my bank account. I waited for some 7 working days thinking that refund will be automatically processed by their side but no refund was initiated, So I raised a complain regarding payment in www.tnebnet.org on 08/05/2019 20:05:00 complain id [protected] but still now I dint get any response.

tneb service number -[protected]

please note the payment details, transaction number and date of transaction below-
7/APR/2019 -TO TRANSFER-INB TANGEDCO[protected]IGAFYEKXY9 TRANSFER TO [protected] TANGEDCO- Rs.896.00

7/APR/2019 -TO TRANSFER-INB TANGEDCO[protected]IGAFYELIL8 TRANSFER TO [protected] TANGEDCO-Rs.896.00

7/APR/2019 -TO TRANSFER-INB TANGEDCO[protected]IGAFYEMXI2 TRANSFER TO [protected] TANGEDCO-RS.896.00

I hereby asking you to take necessary action so that I will get my refund as soon as possible.

Thank you.