system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In which year did ESI came into effect?
assistant
The correct answer is  The ESI Act was passed in 1948. It was amended in 1975, 1984 and 1989. It is an impoant measure of social security and occupational health in India. Ref: Park 21st edition page: 756.