93rd Indian Science Congress , Acharya N.G. Ranga Agricultural University, Hyderabad, 3-7 January, 2006
Focal Theme "Integrated Rural Development:Science and Technology"
92nd Indian Science Congress, National Institute of Occupational Health (NIOH) and Nirma University of Science & Technology, Ahmedabad, 3-7 January, 2005
Focal Theme "Health Technologies as a Fulcrum for the Nation Development"