This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Occupational Health, Subject name: Social & Preventive Medicine
ESI Act was made in:(1998) 
Select and explain. 
A. 1946, B. 1948, C. 1952, D. 1954
B: 1948
Answer: B: 1948 
Explanation: Ans: bRef: Park, 17th ed, p. 585 & 18th ed, p. 617