Step 1: Identify relevant legislations.
The following acts pertain to social security for industrial workers: Workmen's Compensation Act, 1923 (1); Central Maternity Benefit Act, 1961 (2); and Employees State Insurance Act, 1948 (3).
The Water Prevention and Control of Pollution Act, 1974 (4), concerns environmental regulations and is not related to social security measures for workers.