Section 5(2) in Nehru Outer Ring Road, Hyderabad (Toll) Rules, 2012
(2)The applicable base rates shall be revised annually with effect from April 1 each year to reflect the increase in Wholesale Price Index between the week ending on January 6, 2007 (i.e. 208.7) and the week ending on or immediately after January 1 of the year in which such revision is undertaken but such revision shall be restricted to forty percent of the increase in Wholesale Price Index.
