Leave on Average Pay (LAP)
Credited at 30 days per year in two advance instalments of 15 days each on 1 January and 1 July. The stated maximum accumulation is 300 days; credits above the ceiling lapse, subject to applicable retirement encashment rules.
Leave on Half Average Pay (LHAP)
Credited at 20 days per year in two advance instalments of 10 days each on 1 January and 1 July. The supplied text states there is no maximum accumulation ceiling.
Commuted Leave
Granted on production of a valid medical certificate from an authorised railway medical officer. Twice the number of commuted leave days is debited from the LHAP balance, while full pay is maintained during the leave.
Casual Leave (CL)
The stated annual allocation is 11 days for open-line operational staff, including running crew and active station staff, and 8 days for administrative and stationary office staff. CL is for the calendar year (1 January to 31 December); unused balance lapses and is not carried forward.