Cl means Casual Leave

CL cannot be combined with any other leave, except with: -

(i) Compensatory Casual Leave granted to Groups `C’ & `D’ employees other than supervisory staff, for attending on Sundays and holidays;

(ii) Special casual leave sanctioned for participation in sporting events/events of National importance and for scouting duties.

(iii) Special casual leave sanctioned for sterilization, recanalisation operations under the Family Welfare Programme.  

A Railway Servant, who has taken CL for half-a-day on the afternoon of a working day and is unable to resume duty on the next working day due to unexpected sickness or compelling grounds and he has no CL at his credit, may, as an exception to the general rule, be permitted to combine half-a-day’s CL with regular leave.  In no other situation can this facility be allowed. 
Ref: Board’s Lr. No. E(G)65/LE2/29, dt. 256-66)  

C L cannot also be combined with joining time. 
(E(G)79/JT1/1, dt. 21-2-80) 

CL cannot be combined with vacation allowed for school staff.  
(No. E 55/LE2/74/3, dt. 27-7-1955)