Correct option is D
The correct answer is (d) 17.5%.
· According to the Census of India 2011, India accounted for approximately 17.5% of the world population.
· This figure reflects India's substantial share of the global population, making it the second-most populous country in the world after China.
· The 2011 census recorded India's population at 1.21 billion, contributing significantly to the global population.