An employee is not allowed to work for more than twelve hours in a day.  It is only in cases of emergencies like an accident or urgent work to be done to the plant or equipment or abnormal pressure of work due to special circumstances or to prevent loss of perishable goods, should an employee be required to work in excess of twelve hours.  Under no circumstances, should an employee be required to work in excess of twelve hours on a regular basis.  Please contact the Labour Department if you are regularly asked to work for more than twelve hours per day.