Correct option is A
Sol. As per the National Vitamin A Prophylaxis Program (India), the first dose of Vitamin A (1 lakh IU) is given orally at 9 months with measles vaccine. Subsequent doses are 2 lakh IU every 6 months till age 5 to prevent blindness and deficiency.
Explanation of each option:
· (a) 1 lakh IU – Correct dose for the first Vitamin A supplementation at 9 months.
· (b) 2 lakh IU – This is the dose for subsequent doses (after 1st), not the initial one.
· (c) 3 lakh IU – Too high; no such single-dose recommendation exists for infants.
· (d) 4 lakh IU – Can lead to toxicity; not recommended in any national schedule.