That page you get is a confirmatorty page for a successful form filling 

it is important as it ensures that all your information has been filled & your form registration is now complete. 

Hiii

It is Named as the Confirmation page that you recieve after the online registration i.e filling the complete forn and successfull payment of the fees. If your fees is not paid or the payment status is not successful then you will not be able to generate this confirmation page.
If all your steps are completed till the payment of fees the confirmation page is automatically generated and also it is sent to you on your email.

Thanks!!