Hello Subhendu,
CA Agile Central supports these types of timesheet entries: user stories, tasks, defects and projects. This allows for adding existing items to your timesheet, as well as tracking project time, such as meetings. Your CA Agile Central administrator may also set up CA Agile Central to track non-project time, such as vacation and sick days.
I have also included a link that explains how tasks are entered.
Please let us know if you have any further questions.
Thank you,
Christian