IDLI

The India Data Lab Initiative (IDLI) harmonizes and makes accessible unit-level microdata from India’s key household and firm surveys

DatasetYears CoveredDescription DownloadExpected Release
NSS Labour Surveys1987 - 2011Survey of unincorporated non-agricultural enterprises - manufacturing, trade, and services with data on firm size, employment, and finances.Released
Annual Survey of Industries (ASI)1993 - 2017Survey of manufacturing units in the registered sector, providing data relating to input, output, value added, employment, assets etc. of the registered factories.
.DTA
.CSV
December 2025
NSS Enterprise Surveys1989 - 2015Covers unorganized sectors like trade, manufacturing, and services, providing data on inputs, outputs, value added, employment, productivity, and related indicators.
.DTA
.CSV
February 2026
NSS Consumption Surveys1983 - 2011Household expenditure survey covering food, non-food, durables, and services; used to measure poverty and living standards.
.DTA
.CSV
April 2026

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Unlock India’s Economic Microdata

Access harmonized datasets from India’s leading household and firm surveys — ready for research, policy, and discovery.