The correct answer is: d) All of the above.
Census data on Sikkim can be accessed through official government websites, research publications, and libraries.
Official government websites are a good source of census data because they are typically updated regularly and provide access to a wide range of data. For example, the Government of Sikkim website provides access to census data on population, housing, and economic activity.
Research publications are another good source of census data. These publications often contain detailed analysis of census data and can provide insights that are not available from other sources. For example, the book “The Sikkim Census 2011: A Statistical Report” provides a comprehensive analysis of the 2011 census data for Sikkim.
Libraries are also a good source of census data. Many libraries have collections of census data that can be accessed by the public. For example, the Sikkim State Library has a collection of census data from 1901 to 2011.
In conclusion, census data on Sikkim can be accessed through official government websites, research publications, and libraries. These sources provide a variety of data that can be used to learn about the population, housing, and economic activity of Sikkim.