The correct option is B a) 1>2>3
Explanation: The population of India as per 2011 census was 1,210,193,422. India added 181.5 million to its population since 2001, slightly lower than the population of Brazil. India, with 2.4% of the world's surface area, accounts for 17.5% of its population. Uttar Pradesh is the most populous state with roughly 200 million people. A little over 5 out of 10 Indians live in the six states of Uttar Pradesh, Maharashtra, Bihar, West Bengal, Andhra Pradesh and Madhya Pradesh.Of the 121 crore Indians, 83.3 crore (68.84%) live in rural areas while 37.7 crore stay in urban areas.45.36 crore people in India are migrants, which is 37.8% of total population.