Correct Answer: B [Andaman and Nicobar Islands]

Notes: According to NFHS-6 (National Family Health Survey-6), the Andaman and Nicobar Islands have recorded India’s lowest Total Fertility Rate (TFR) · The Union Territory’s TFR is 0.9, which is less than half the replacement level fertility rate of 2.1 · It is the only State/UT in India with a TFR below 1.0 · The share of children under five years declined from 5.3% (NFHS-5) to 3.7% (NFHS-6) · The proportion of people aged 60 years and above increased from 11% to 12.6%, indicating an ageing population · Preschool attendance among children aged 2–4 years fell from 88.5% to 66.2%.