How many NFHS have been successfully completed in India till now?

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) p. 141-143
E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) p. 4-6
Practise the full Tripura CHO - 2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.