Anup Kumar Srivastava, MBBS, MD, FRIPHH, has been actively involved in research for the past 35 years, and has worked at CSIR-Indian Institute of Toxicological Research (CSIR-IITR), Lucknow. Dr Srivastava also served as Director of National Institute Miners’ Health, Nagpur and was the first specialist of Industrial Health appointed in the coal industry at Western Coalfields Limited, Nagpur. C Kesavachandran, PhD, is Senior Scientist, Epidemiological Section, CSIR-IITR. He received his PhD from Mahatma Gandhi University, Kerala and is pursuing a research career as a Scientist at the CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, since 2002.