duty exemption scheme standard input-output and value addition norms: 1 April 1997-31st March 2002 (incorporating amendments made upto 31st March 2000) India. Ministry of Commerce and Industry. Department of Commerce creator text xx New Delhi Ministry of Commerce and Industry 2000 9999 Rev monographic und v.2 (1044p.) India,Ministry of Commerce and Industry-Handbook,mannuals, etc; Administrative procedure-India 382.02 I39H NITIL 190328