text: INDUSTRIAL DISPUTE ACT. 1947 \nThe Industrial Disputes Act. 1947 is an act to make provision for the investigation and settlement of industrial disputes and for certain other purposes. It provides for a special machinery of conciliation officers, work committees, court of inquiry, Labour courts, Industrial Tribunals and national Tribunals, defining their powers, functions and duties and also the procedure to be followed by them.\n\nIt also enumerates the contingenies when a strike or lock-out can be lawfully resorted to, when they can be declared illegal or unlawful, conditions for laying off, retrenching discharging or dismissing a workman, circumstances under which an industrial can be closed down and several other matters related to industrial employees and employers.\n\nThe central government is appropriate government for the industries which are carried on: \n\n(a) By or under the authority of Central Govt.\n\n(b) By a railway company:\n\n© A controlled industry, specified for this purpose :\n\n(d) In relation to certain industries enumerated in sec 2(a) of the act \n\nHowever after the judgement of the Hon'ble Supreme Court of India in the Air India Corporation Case in 1996, all the industries "under the control of Central Govt." came under the Central sphere. And, the Central Government has delegated its power : inrespect of 199 industries to State. Govt.\n\nhttp://labour.nic.in/clc/welcome.html#id