The Act does not apply to the following industrial establishments in so far as the workmen employed therein are persons to whom any of the following Rules or code applies:
1). Fundamental and Supplementary Rules,
2). Civil Services (Temporary Services) Rules,
3). Civil Services (Classification Control and Appeal) Rules,
4). Revised Leave Rules,
5). Civil Services Regulations,
6). Civilians in Defence Services (Classification Control & Appeal) Rules,
7). Indian Railway Establishment Code, or
8). Any other rules or regulations that may be notified in this behalf by the Appropriate Government in the Official Gazette.
The latest amendment in the act was made in 1982.