Correct Option: B

According to the provisional results compiled quickly for the Census of India 2001, the population of India at 0:00 hours of 1st March, 2001, stood at 1,027,015,247 comprising of 531,277,078 males and 495,738,169 females. Thus, as widely believed and expected, India became only the second country in the world after China to officially cross the one billion mark. India’s population comprised about 16 per cent of the global total. According to 2011 census, India’s population consists of 17.5% of the world population.