India accounts for 45.8 million of the world’s missing females according to the State of World Population 2020 report of:

Correct option is B

The correct answer is (b) UNFPA
Explanation:
The State of World Population 2020 report was published by the United Nations Population Fund (UNFPA).
· The report estimated that India accounts for 45.8 million of the world's 142.6 million “missing females” over the past 50 years.
· “Missing females” refers to the deficit of women due to gender-biased sex selection and postnatal discrimination.
Information Booster:
· The report highlights the continued problem of gender inequality, especially in countries like India and China.
· It calls for stricter measures against prenatal sex selection and for strengthening social and legal protections for women and girls.
Additional Knowledge:

UNDP (Option a) . Publishes the Human Development Report, not this population-specific report.
UNESCO (Option c) . Deals mainly with education, science, and culture — not demographic or gender population studies.
UNICEF (Option d) . Focuses on child rights and welfare, not the broader population and gender imbalance issues highlighted in this report.