Cost Inflation Index specified for financial years to enable indexation of capital gains under section 48. The notification, issued under the Explanation to section 48 of the Income-tax Act, prescribes the Cost Inflation Index for each listed financial year, basing fixation on seventy five per cent of the average rise in the Consumer Price Index for urban non manual employees. The attached table supplies the operative index figures to be used for computing indexed cost of acquisition for capital gains, and the notification records subsequent amendment instruments that added or revised indices for later years.