The CCPI is also used to index wages of workers.
Authorities have tried to scrap the CCPI index saying it does not show the so-called 'correct' inflation as its base is too old and too narrow despite several adjustments being made to the base.
Critics have pointed out that that the real 'problem' authorities have with the index is that it responds too sharply to loose monetary policy or money printing.
However trade unions have resisted the use of alternative ways to index wages on the basis that a new index would be manipulated by authorities to show a lesser inflation in order to pay a smaller cost of living allowance to workers.
Such practices are routine in countries which print money to finance budget deficit