Section 11(2)(a) in The Inter-State Migrant Workmen (Regulation Of Employment And Conditions Of Service) Central Rules, 1980
(a)in cases where the migrant workmen recruited or employed by the contract perform the same or similar kind of work as the workmen directly employed by the principal employer of the establishment, the wage rates, holidays, hours of work and other conditions of service of the migrant workmen of the contractor shall be the same as applicable to the workmen directly employed by the principal employer of the establishment on the same or similar kind of work: