The increase is in accordance with the accepted formula, which is based on the recommendations of the 6th Central Pay Commission.
The combined impact on the exchequer on account of both Dearness Allowance and Dearness Relief would be of the order of Rs.7408.24 crore per annum and Rs. 4938.78 crore in the financial year 2012-2013 i.e. for a period of 8 months from July, 2012 to February, 2013.