5.1.1 Statistical presentation

• Data are disseminated on population numbers.

4.1.1 Periodicity

4.1.2 Timeliness

Provisional data following a census are available within one month after the census and final data within about 36-40 months.

Intercensal population projections are disseminated about 12-18 months after the availability of the final data from the census (that is, about 4-5 years after the census).

5.1.4 Simultaneous release

• The data on the decennial census results are released simultaneously to all interested parties by publishing the Final Population Totals.
  
  The intercensal annual projections are released simultaneously to all interested parties by publishing Population Projections for India and States. The latest such publication is Population Projections for India and States: 1996-2016.

0.1.1 Responsibility for collecting, processing, and disseminating statistics

Office of the Registrar General of India

• The census data are collected under the terms and conditions of the Census Act of 1948. Under this Act: The Census Commissioner is responsible for the preparation and publication of census data. The data on population are disseminated by the Office of the Registrar General of India as a service to the public.

0.1.3 Confidentiality of individual reporters' data

Office of the Registrar General of India

• The census data are collected under the terms and conditions of the Census Act of 1948. Under this Act: Data relating to individuals have to be kept confidential.

1.2.1 Disclosure of terms and conditions for statistical collection, processing, and dissemination

Office of the Registrar General of India

• The Census Act is published in Hindi and English, and can be obtained from book stores selling government publications or from:
  
  Controller of Publications,
  Civil Lines,
  Delhi - 110006, India.
  Phone: 91 11 251 7823.

1.2.2 Internal governmental access to statistics prior to release

Office of the Registrar General of India

• There is no access by government officials outside the compiling agency to the data prior to their release to the public

1.2.3 Attribution of statistical products

Office of the Registrar General of India

• No ministerial commentary is attached to the release of the data.

4.3.1 Revision schedule

• The intercensal population projections are not normally revised. If any such revisions are made, the revised data are published and clearly identified as being revisions.

4.3.2 Identification of preliminary and/or revised data

• The detailed census data are final when first released. If any such revisions were made, the revised data would clearly identified as being revisions.

1.2.4 Advance notice of major changes in methodology, source data, and statistical techniques.

Office of the Registrar General of India

• The methodology used for the census is discussed in a data users' conference before finalization. The questions to be canvassed in the census are notified in the official gazette of the government prior to the census. The methodology used is indicated in the publication at the time the data are published.

5.2.1 Dissemination of documentation on concepts, scope, classifications, basis of recording, data sources, and statistical techniques

• Details of the methodology used in the census are published in General Population Tables, the main census publication. This document can be obtained through the sales depot of the ORGI 2-A, Man Singh Road, New Delhi 110011, India. Information about definitions and methodologies are also given in other publications containing detailed tables.
  
  The methodology used for the intercensal population projections is described in the publication Population Projections for India and States at the time the data are published.