Social & Preventive Medicine Which of the following act(s) passed before 1980 – a) ESI actb) PNDT c) Factories actd) MTP acte) Air pollution act A acd B ad C bc D bde 💡 Explanation Which of the following act(s) passed before 1980 – a) ESI actb) PNDT c) Factories actd) MTP acte) Air pollution act ✓ Correct Answer: A. acd