Correct Answer: The Labour Bureau

Solution : The correct option is The Labour Bureau.

The Labour Bureau, under the Ministry of Labour and Employment, is responsible for compiling and releasing the Consumer Price Index Number for Industrial Workers (CPI-IW) every month. This index is derived from the fluctuations in prices of a selection of goods and services that are typically used by industrial workers and their families. The items on this list include food, clothing, housing, fuel, education and medical care, among others.