(1) If, at the end of the prescribed or extended period of probation, as the case may be, the appointing authority considers the probationer to be suitable for full membership, shall issue an order declaring the probationer to have satisfactorily completed his period of probation.
(2) If the appointing authority considers that the probationer is not suitable for such membership, shall, unless the period of probation is extended, by order, discharge him from the service after giving him a reasonable opportunity of showing cause against the action proposed to be taken.
(3) A probationer who is discharged otherwise than for want of vacancy shall be entitled to appeal to the appellate authority against the order of discharge as if it were an order of dismissal.