The Million Death Study (MDS) is an ongoing human premature mortality study conducted in India. It began in 1998 and end in 2014 . Among a sample size of 14 million Indians, approximately 1 million deaths are assigned medical causes through the Verbal Autopsy method to determine disease patterns and direct public health policy. The principal investigator of the study is Dr. Prabhat Jha, director of the Centre for Global Health Research and professor of epidemiology at the Dalla Lana School of Public Health, University of Toronto, Canada.