As soon as you booking gets failed, you will be notified of the same on the website only. You can check the status of your booking, along with traveler & booking information.
To know the status of your refund in terms of your failed booking, you just need to click on ‘View Status‘
As soon as your click on view status, a Request ID is made for your failed booking, where you can find information about your refund amount, the status of the refund, etc.
In case of any further concerns, you can contact the flight support at +91 9513392714 or b2bflights@gmail.com