Given below are two statements, one is labelled asAssertion (A) :and the other as Reason (R).Assertion (A):India's success is critical for the global success of Sustainable Development Goals.Reason (R):India accounts for nearly one-sixth of the total world population.

1. A

   Both (A) and (R) are true, but (R) is not the correct explanation of (A)

   Both true, R not explaining A. One-sixth of humanity is why India’s SDG delivery moves the global totals.

2. B

   (A) is false, but (R) is true

   (A) false. India is treated as critical to global SDGs.

3. C

   (A) is true, but (R) is false

   (R) false. India is about one-sixth of world population.

4. D

   Both (A) and (R) are true and (R) is the correct explanation of (A)

   Both true and R explains A. India’s SDG success is globally critical because of its population share.

Summary. Official key is (d). India matters for global SDGs because it is about one-sixth of the world. Also note: SDGs 2015–30 — 17 goals; NITI SDG Index — State tracker; 1/6th — ≈18% of world population; China — The other large-population limb.