Central Board Of Secondary Education [CBSE] — my payment done but form submission failed cbse not refunded. customer helpline no not pick any call

Address:

Lucknow, Uttar Pradesh, 226024

Sir i made a transaction on 13sep19 through netbanking sbi to pay fees of 700 rs for applying ctet dec 2019 it wasn't successful since confirmation page wasn't created but still 718.33 rs deducted and transferred to cbse. And this money still not refunded to me. I confirmed that from bank customer care that payment is successfully transferred to cbse. I'm confused from where i will get this money back plz help me to get my refund back. Already more than 20 days being finished. Info regarding transaction is given in attachment.

I have fill a form but the confirmation page not open and my payment done but form submission failed.
Details are
Rs : 1218.88
Ref number : #igagznjvb8
Date : 13 sept 2019

I have inform to sbi bank but bank tell me payment transferred to merchant so call to your merchant. They refund your transaction amount.
I have called so many time but not any no. Pick my call if pic then put the phone on the table but not any conversation done by administration.
So please see the details above and refund my 1218.88 rs.
Mahendra verma
[protected]@gmail.com