Transaction fail while submitting online exam application

GAURAV TIWARI (CA FINAL STUDENT) (105 Points)

19 August 2011  

While making the Payment for Online exam application, i get following message on screen

 

Transaction response : Unknow error

Messege : Unspecified Error

Transaction failed

Pls. advise me how can i make payment for that I have SBI Mastre card...