P : Provisional. @ : Base : 1993-94=100. # : Base : 1982=100 up to December 2005 and Base : 2001=100 from January 2006. + : Base : 1984-85=100. * : Base : 1986-87=100. ^ : The year-on-year inflation comparable with the week ended March 31, 2007 is 4.0 per cent, which represents the variation of April 1, 2006 over April 2, 2005. Note : Figures in parentheses are on an average basis. Source : 1. Office of the Economic Adviser, Ministry of Commerce and Industry, Government of India. 2. Labour Bureau, Ministry of Labour and Employment, Government of India. 3. Central Statistical Organisation, Ministry of Statistics and Programme Implementation, Government of India.