Civil Service Personnel Rule 54

Increment

54.(a) A service personnel appointed to a permanent post on a certain time scale pay is entitled to enjoy an increment when it is due without need to apply for it.
(b) The head of the relevant service personnel organization authorized to allow increment may withhold the entitlement of the increment in accordance with the rules on ground of unsatisfactory performance of duties, or on ground of immoral conduct.
(c) When withholding the increment under sub-rule (b), the following facts shall be mentioned:
(i) period of withholding the increment;
(ii) whether or not withholding the increment will postpone the future increments.