18. Wages for over time work.- (1) Where any employee employed in any industrial premises is required to work overtime, he shall be entitled in respect of such overtime work, to wages at the rate of twice his ordinary rate of wages. (2) Where the employees in an industrial premises are paid on a piece-rate basis, the overtime rate shall be calculated, for the purposes the section, at the time rates which shall be as nearly as possible equivalent to the daily average of their full time earnings for the days on which they had actually worked during the week immediately preceding the week in which the overtime work has been done. (3) For the purposes of the section, “ordinary rates of wages” means the basic wages plus such allowance, including the cash equivalent of the advantage accruing through the concessional sale to the employees of food grains and other articles as the employee is for the time being entitled to but does not include bonus. (4) The cash equivalent of the advantage accruing through the concessional sale to an employee of food grains and other articles shall be computed as often as may be prescribed on the basis of the maximum quantity of food grains and other articles admissible to a standard family. Explanation I: “Standard family” means a family consisting of the employee, his or her spouse and two children requiring in all three adult consumption units. Explanation II: “Adult consumption units” means the consumption unit of a male above the age of fourteen years and that of a child shall be calculated at the rate of eight-tenths and six-tenths, respectively, of one adult consumption unit. | 
