Thanks Jason
After inserting your code I can see the error as follows..Please help.
Thanks
Santosh
Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /Applications/MAMP/htdocs/Database-Elearning/registration.php:6) in /Applications/MAMP/htdocs/Database-Elearning/webassist/form_validations/wavt_validatedform_php.php on line 3
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /Applications/MAMP/htdocs/Database-Elearning/registration.php:6) in /Applications/MAMP/htdocs/Database-Elearning/webassist/form_validations/wavt_validatedform_php.php on line 3
Fatal error: Call to undefined function WAValidateUnique() in /Applications/MAMP/htdocs/Database-Elearning/registration.php on line 19