Section 25(b) in The Coimbatore City Municipal Corporation Service Rules, 1987
(b)Application for the revision of seniority of a person appointed to any class or category of the service shall be submitted to the appointing authority within a period of three years from the date of appointment to such class or category of, within a period of three years from the date of order fixing the seniority, as the case may be. Any application received after the said period of three years shall be summarily rejected. This shall not, however, be applicable to cases of rectifying orders, resulting from mistake of facts.
