Section 28 in The Coimbatore City Municipal Corporation Service Rules, 1987
28. Completion of probation and promotion. - (a) A person who is appointed to the service in a class or category thereof shall not be promoted from the said class or category until he has completed his probation therein.
(b)Subject to the provisions of sub-rule (a), member of the service in any class or category may be promoted from the said class or category even though he may not have completed his probation therein.
