Section 29 in The Coimbatore City Municipal Corporation Service Rules, 1987
29. Merit and seniority in the matter of promotion. - (a) All promotions shall be made on grounds of merit and ability of the members of the service, his seniority being taken into account only when merit and ability are approximately equal except where the special rules governing the service specially require that promotion to any class or category thereof shall be made on the basis of seniority alone.
(b)Where the special rule governing the service requires that promotion to any class or category thereof shall be made on the basis of seniority alone, the order of seniority may be departed from in the following cases, namely:-(i)Where promotion is given on grounds of conspicuous merit and ability;(ii)Where promotion has been withheld as measure of penalty.
