Industrial law case studies covering 4 short cases: Case 1 – Poisonous gas leakage, occupier liability, M.C. Mehta vs Union of India judgment on hazardous activities; Case 2 – Laboratory assistant chemical consumption, workmen’s compensation eligibility; Case 3 – Employee increment withholding, deduction from wages under Payment of Wages Act 1936; Case 4 – Tobacco leaf processing, manufacturing process definition under Factories Act 1948.