When was the National Programme for Control of Blindness launched?

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) p. 121-123
E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart A (pp 1-275 of 550) p. 275-500
Practise the full Punjab CHO - 2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.