The Labour Bureau, attached to the Ministry of Labour and Employment, is responsible for compiling and publishing the Consumer Price Index Number for Industrial Workers (CPI-IW) in India. This index tracks changes in the retail prices of a basket of goods and services consumed by industrial workers. It serves as a crucial indicator of inflation faced by this specific segment of the population.

The Labour Bureau is responsible for maintaining

• CPI (Industrial Workers)
• CPI (Rural Labourers)
• CPI (Agricultural Labourers)