In which year was the 'Indira Gandhi National Old Age Pension Scheme' launched?

Q20LinpOU548lTxz4x_TyD
E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) p. 99-101
Practise the full UP NHM CHO 7 Sept 2022(shift-1st)
Attempt every question from this paper in a timed mock, then review the full solution for each one.