A server must contain a file with some user names and passwords along with other variables for demand-draft no. and amount paid. A client is a student who gives user name and password. After checking both the server should prompt for status or edit. When asked for status we need to display the amount paid. If asked for edit we need to ask client for DD no. and amount that dd constitutes. finally edit the file and send back the details to client.
The file should around five accounts. All these must be stored in columns separated by tab. Many clients can login at the same time.