(1)Every worker who has worked for a period of 240 days or more in a factory during a calendar year shall be allowed during the subsequent calendar year, leave with wages for a number of days calculated at the rate of—(i)if an adult, one day for every twenty days of work performed by him during the previous calendar year;(ii)if a child, one day for every fifteen days of work performed by him during the previous calendar year.Explanation 1.— For the purpose of this sub-section—(a)any days of lay off, by agreement or contract or as permissible under the standing orders;(b)in the case of a female worker, maternity leave for any number of days not exceeding twelve weeks; and(c)the leave earned in the year prior to that in which the leave is enjoyed,shall be deemed to be days on which the worker has worked in a factory for the purpose of computation of the period of 240 days or more, but he shall not earn leave for these days.Explanation 2.-The leave admissible under this sub-section shall be exclusive of all holidays whether occurring during or at either end of the period of leave.