Industrialist Sunjay Kapur, who died last month while playing polo in London, died of natural causes, British medical authorities said in a letter to his wife, Priya Sachdev Kapur, said NDTV. The Surrey Coroner's office listed left ventricular hypertrophy and ischemic heart disease as the causes of death. "There will be no need for an inquest," the coroner's office said.