As per the Factories Act, 1948,
4.1 Section 51 of the Factories Act, 1948 prescribes that no adult worker shall be required or allowed to work in a factory for more than forty-eight hours in any week. Further, Section 54 stipulates that subject to the provision of Section 51 no adult worker shall be required or allowed to work in a factory for more than nine hours in any day. However, there is a provision to this section which states that subject to the prior approval of the Chief Inspector, the daily maximum hours specified in Section 54 may be exceeded in order to facilitate the change of shifts.
4.2 Section 52 of the Act states that no adult worker shall be required or allowed to work in a factory on the first day of the week i.e. weekly holiday.
Section 53 of the Act ,further, states that if the worker is deprived of any of the weekly holidays for which provision is made in Section 52, he shall be allowed, with in the month in which the holidays were due to him or with in the two months immediately following that month , compensatory holidays of equal number to the holidays so lost.
Section 55 of the Act lays down that the periods of work of adult workers in a factory each day shall be so fixed that no worker shall work for more than 5 hours before he has had an interval for rest of at least half an hour. The Chief Inspector of Factories can exempt any factory from this provision so however that the total number of hours worked by a worker without an interval does not exceed six.
4.3 Section 56 of the Act stipulates that the period of work of an adult worker in a factory shall be so arranged that, inclusive of his intervals for rest under Section 55, it shall not spread over more than ten and half hours on any day. The Chief Inspector, may, however, increase the spread over upto twelve hours on specific grounds.
Sec 59(1), it has to be paid on "ordinary rate of wages".
(2) defines ordinary rates of wages as basic wages plus such allowances as the worker is entitled for the time being excluding bonus & wages for overtime.
Hope the above is in order for your consideration and knowledge. Thanks!