Shri C.Chandramouli is the Registrar General and commissioner of 2011 indian census.Census data was collected in 16 languages and training manual was prepared in 18 languages.The census was conducted in two phases. The first houselisting phase began on 1 April 2010 and involved collection of data about all the buildings and census houses. Information for National population register was also collected in the first phase. The second population enumeration phase was conducted from 28 February 2011 all over the country.
Census Report
| POPULATION | | TOTAL | | 1,210,193,422 |
| | MALES | | 623,724,248 | |
| | FEMALES | | 586,469,174 | |
| | | |||
| LITERACY | | TOTAL | | 74.04% |
| | MALES | | 82.14% | |
| | FEMALES | | 65.46% | |
| DENSITY OF POPULATION | | PER KM2 | | 382 |
| SEX RATIO | | PER 1000 MALES | | 940 FEMALES |
| CHILD SEX RATIO (0–6 AGE GROUP) | | PER 1000 MALES | | 914 FEMALES |
Population
The population of India at 0:00 hours of 1 March 2011 was 1,210,193,422. India added 181 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. About 5 out of 10 Indians live in the five states of Uttar Pradesh, Maharashtra, Bihar, West Bengal, Andhra Pradesh. Religion returns in Indian census provide a wonderful kaleidoscope of the country s rich social composition, as many religions have originated in the country and few religions of foreign origin have also flourished here. India has the distinction of being the land from where important religions namely Hinduism, Buddhism, Sikhism and Jainism have originated at the same time the country is home to several indigenous faiths tribal religions which have survived the influence of major religions for centuries and are holding the ground firmly Regional con-existence of diverse religious groups in the country makes it really unique and the epithet unity in diversity is brought out clearly in the Indian Census.
| SN | UNION TERRITORY/ STATE NAME | TYPE | TOTAL POPULATION | PERCENT(%) OF TOTAL POPULATION | MALES | FEMALES |
| TOTAL | 1,21,01,93,422 | 100 | 62,37,24,248 | 58,64,69,17 | ||
| 1 | ANDAMAN AND NICOBAR ISLANDS | UNION TERRITORY | 3,79,944 | 0.03 | 2,02,330 | 1,77,614 |
| 2 | ANDHRA PRADESH | STATE | 8,46,65,533 | 7.00 | 4,25,09,881 | 4,21,55,652 |
| 3 | ARUNACHAL PRADESH | STATE | 13,82,611 | 0.11 | 7,20,232 | 6,62,379 |
| 4 | ASSAM | STATE | 3,11,69,272 | 2.58 | 1,59,54,927 | 1,52,14,345 |
| 5 | BIHAR | STATE | 10,38,04,637 | 8.58 | 5,41,85,347 | 4,96,19,290 |
| 6 | CHANDIGARH | UNION TERRITORY | 10,54,686 | 0.09 | 5,80,282 | 4,74,404 |
| 7 | CHHATTISGARH | STATE | 2,55,40,196 | 2.11 | 1,28,27,915 | 1,27,12,281 |
| 8 | DADRA AND NAGAR HAVELI | UNION TERRITORY | 3,42,853 | 0.03 | 1,93,178 | 1,49,675 |
| 9 | DAMAN AND DIU | UNION TERRITORY | 2,42,911 | 0.02 | 1,50,100 | 92,811 |
| 10 | DELHI | UNION TERRITORY | 1,67,53,235 | 1.38 | 89,76,410 | 77,76,825 |
| 11 | GOA | STATE | 14,57,723 | 0.12 | 7,40,711 | 7,17,012 |
| 12 | GUJARAT | STATE | 6,03,83,628 | 4.99 | 3,14,82,282 | 2,89,01,346 |
| 13 | HARYANA | STATE | 2,53,53,081 | 2.09 | 1,35,05,130 | 1,18,47,951 |
| 14 | HIMACHAL PRADESH | STATE | 68,56,509 | 0.57 | 34,73,892 | 34,73,892 |
| 15 | JAMMU AND KASHMIR | STATE | 1,25,48,926 | 1.04 | 66,65,561 | 58,83,365 |
| 16 | JHARKHAND | STATE | 3,11,69,272 | 2.72 | 1,59,54,927 | 1,52,14,345 |
| 17 | KARNATAKA | STATE | 6,11,30,704 | 5.05 | 3,10,57,742 | 3,00,72,962 |
| 18 | KERALA | STATE | 3,33,87,677 | 2.76 | 1,60,21,290 | 1,73,66,387 |
| 19 | LAKSHADWEEP | UNION TERRITORY | 64,429 | 0.01 | 33,106 | 31,323 |
| 20 | MADHYA PRADESH | STATE | 7,25,97,565 | 6.00 | 3,76,12,920 | 3,49,84,645 |
| 21 | MAHARASHTRA | STATE | 11,23,72,972 | 9.29 | 5,83,61,397 | 5,40,11,575 |
| 22 | MANIPUR | STATE | 27,21,756 | 0.22 | 13,69,764 | 13,51,992 |
| 23 | MEGHALAYA | STATE | 29,64,007 | 0.24 | 14,92,668 | 14,71,339 |
| 24 | MIZORAM | STATE | 10,91,014 | 0.09 | 5,52,339 | 5,38,675 |
| 25 | NAGALAND | STATE | 19,80,602 | 0.16 | 10,25,707 | 9,54,895 |
| 26 | ORISSA | STATE | 4,19,47,358 | 3.47 | 2,12,01,678 | 2,07,45,680 |
| 27 | PONDICHERRY | UNION TERRITORY | 12,44,464 | 0.10 | 6,10,485 | 6,33,979 |
| 28 | PUNJAB | STATE | 2,77,04,236 | 2.29 | 1,46,34,819 | 1,30,69,417 |
| 29 | RAJASTHAN | STATE | 6,86,21,012 | 5.67 | 3,56,20,086 | 3,30,00,926 |
| 30 | SIKKIM | STATE | 6,07,688 | 0.05 | 3,21,661 | 2,86,027 |
| 31 | TAMIL NADU | STATE | 7,21,38,958 | 5.96 | 3,61,58,871 | 3,59,80,087 |
| 32 | TRIPURA | STATE | 36,71,032 | 0.30 | 18,71,867 | 17,99,165 |
| 33 | UTTARAKHAND | STATE | 1,01,16,752 | 0.84 | 51,54,178 | 49,62,574 |
| 34 | UTTAR PRADESH | STATE | 19,95,81,477 | 16.49 | 10,45,96,415 | 9,49,85,062 |
| 35 | WEST BENGAL | STATE | 9,13,47,736 | 7.55 | 4,69,27,389 | 4,44,20,34 |
