The Ministry of Statistics and Programme Implementation, Governmenet of India, has been disseminating microdata from its surveys and censuses since long. This web-based survey cataloguing system is powered by the National Data Archive (NADA) software developed by the International Household Survey Network (IHSN).

This system serves as a portal for researchers to browse, search, and download relevant census or survey documents and metadata. The Microdata Archive provides web based access to the complete metadata and unit level data of over 172 surveys and censuses on the following subjects:

• Annual Survey of Industries
• Index of Industrial Production
• Household Consumer Expenditure
• Economic Census
• Enterprises Surveys
• Periodic Labour Force Survey
• Employment and Unemployment
• Land and Livestock Holding Surveys
• Other Surveys