TAN Application 1

I have filled TAN Appl.. and made due payment of Appli... However I could not generate the Acknowledgement Receipt as there was some error in the website. I have received the e-mail regarding generation of Acknowledgment Receipt. However I am unable to generate Acknowledgement Receipt which I require to print in hard-copy and send it to defined address in Pune. Kindly guide me how to generate Acknowledgement Receipt of TAN