I then followed the following instructions given on a forum
In that NGLApps folder you can find
and more files
Please extract NGLClient.zip file in C:/ drive and run NGLClient.bat file""
I unzipped the file NGLClient from the location C:\NGL3\apache-tomcat-6.0.32\webapps\NGLApps to C:\ as two folders NGClient and NGLClientFiles....now when i start the server and run the client batch file...i get the login screen , but when i enter username as "1" and passwrd as "abc" ...it says "invalid Login". Please Help