Nptel - Swayam — Payment failed but amount deducted. Request for Refund from NPTEL

Request for Refund from NPTEL

While registering for NPTEL exam on 14.3.2022, amount of Rs.3000 was debited from my account, but registration is not successfully completed. Still the amount is not refunded to my account, even 10 days gone after registration. Will it be refunded automatically or have to do follow-up? kindly give suggestion or way to get the money back,

Transaction details are as follows:

Hello SELVAKUMAR R,
Your payment for the following course(s) has failed. If any money has been deducted, it will be automatically refunded in 5-7 working days.

Course Amount
Network Analysis ₹ 1000
Microprocessors and Interfacing ₹ 1000
Microprocessors And Microcontrollers ₹ 1000

Here are your transaction details:
Transaction ID 876fe5755a0840bd86c787ce3c495f5e
Billdesk Reference None
Date 14/03/2022 07:48:00 IST
Total Amount ₹ 3000