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%.