National Institute Of Open Schooling — double payment for the same examination fee as the site did not changed the status from payment incomplete to complete

Website:

nios.ac.in

On 19th of oct, I made payment for examination fee. But the status was not changed so as per the information provided on-site I had waited for 48hrs but even though the status was showing incomplete. the transaction ref id of incomplete payment is [protected]. on 23rd of oct, I made another payment as the status was showing incomplete and my emails were going unanswered. The 2nd transaction ref no. is [protected] which is completed and showing in the status.
I request you to kindly process the refund for my first transaction with transaction id [protected].

Enrolment no. :[protected]
date of payment:19/10/2018
Transaction ID: [protected](for which payment was not updated on site and money deducted from my account)
two documents are attached herewith as a proof of transaction