Learn what casual leave is, its rules, and how to apply effectively. Get clarity on benefits and how to apply for it without disrupting work. What are various leaves in India that an employee can get, overview of casual leave ,sick leave ,Earned leave ,Maternity Leave Learn what casual leave is, how to apply for it, and what are the common rules and restrictions. Find out how to use casual leave wisely and avoid misusing it. What is Casual Leave ? Casual leave (CL) is a type of paid leave granted to an employee, which can be applied during an unexpected situation or an unforeseen event that occurs without any prior plans. Employees mostly use casual leaves for personal matters where they can take a day or two off from work.