this project is for designing a Mobile Calendar Plugin , It is an extension of the mobile calendar application in which user is allowed to set SMS and/or email for any existing or new calendar entries. On date/time of calendar entry, the plugin sends SMS/email to receipient. The plugin will have a user interface to collect details from user. This application will work in tightly coupled manner with calendar and improve its feature to send SMS/eMail. application will develop in Symbian Os