Cognizant — about cognizant hall ticket for technical

Address:	Chennai, Tamil Nadu
Website:	www.cognizant.com

Sir, i cleared the written test and i got mail to attend for an interview but i didn't attended that day. My friends and some people also not attended for the interview but again they got the mails regarding that interview but i didn't get that. Why what's the problem. How can i get that mail or can i attend the interview with that previous mail please reply