national emblem
आर्थिक सलाहकार का कार्यालय
OFFICE OF THE ECONOMIC ADVISER
DEPARTMENT FOR PROMOTION OF INDUSTRY AND INTERNAL TRADE
Azadi Ka Amrit Mahotsav Make in India Swach Bharat
Linking Factor For WPI Series (BASE: 2004-05)
In order to maintain continuity in the time series data on wholesale price index, it is imperative to provide a linking factor so that the new series, when released, may be compared with the outgoing one. The Office of the Economic Adviser has been using the arithmetic conversion method to link the various prices index series. The linking factor for the three broad groups of commodities WPI are as follows. However, the detailed individual commodities indices and their weights are available from 2004-05 onwards.User may choose any other methods as may be considered appropriate.
 
Average WPI in 2004-05
Linking Factor
All commodities
187.3
1.873
Primary articles
188.1
1.881
Fuel & Power
280.2
2.802
Manufactured products
166.3
1.663