Billdesk — Cat application payment

Address:

IIM INDORE

I am shivendra pandey an aspirant of cat 2020, i have made payment after fill the application form on 8th of september via upi and the amount of rs.2000 was deducted from my account and status was showing failed and i have registered my complaint at the helpdesk on the website itself and they told me to wait for 48 to 72 hrs to get refund and i was waiting but till now no action is taken against my complaint and the end date is so close. Who will be responsible for this issue. Please take action regarding this so that i could successfully fill the application form.
My payment details are attested and given below.
Upi reference no.[protected]
Payment transaction no. - shd[protected]