- Tokyo - 14 th Meeting of the International Association of Forensic Sciences (IAFS), Forensic Toxicology of Bhopal Aerosol Tragedy", 26th to 30 Aug. 1996.
The 1:st International Symposium on Isocynate in Occupational Environments Sweden, Stockhome 19th-21st.June, 2000 - Paper Presented with co-author Dr. S. Siraramachari
"Pathology and Toxicology of Methyl Isocyanate and MIC Derivatives in Bhopal Disaster"
International Conference International Association of Forensic Sciences (IAFS ), 15th, Triennial Meeting held in Los Angeles, Californea, USA 22th-27th Aug. 1999 - Paper Presented,
"Mapping and reconstruction of data of Inhalation Toxicologyn a method based on study of Bhopal Aerosol Tragedy".