Spread across 28 states and 7 union territories, the census covered 640 districts, 5,924 sub-districts, 7,935 towns and more than 6 lakh villages. A total of 27 lakh officials visited households in 7,935 towns and 6 lakh villages, classifying the population according to gender, religion, education and occupation. The cost of the exercise was approximately ₹ 2,200 crore (US $320 million) -- this comes to less than $0.50 per person, well below the estimated world average of $4.60 per person. Conducted every 10 years, this census faced big challenges considering India 's vast area and diversity of cultures and opposition from the manpower involved.
how many villages in india according to census 2011
6 lakh 6 lakh