Can you explain the three components of "actual service" as per the Constitution?
According to the context provided, "actual service" for a Judge includes:

1. Time spent by a Judge on duty as a Judge or in the performance of other functions that he may at the request of the President undertake to discharge.
2. Vacations, excluding any time during which the Judge is absent on leave.
3. Joining time on transfer from a High Court to the Supreme Court or from one High Court to another.