13 COVID Patients Died at Chengalpet Hospital Last Week. What Actually Happened? Doctors claim there is a lack of oxygen. The district administration blames a glitch in the system. And Tamil Nadu chief minister Stalin demands an increase of medical oxygen from the Centre. Doctors in Chengalpet protesting against the lack of adequate oxygen. Photo: Twitter/@Ganesh11062001 Health10/May/2021 Chennai: On May 2, as Tamil Nadu waited for the results of the assembly elections, patients of COVID-19 at Chengalpet Government Hospital (GH) began dying. The relatives of those patients believed that something had gone terribly wrong, but were too dazed to question the doctors beyond a point. In any case, their focus was on the release of their relativesâ bodies, a procedure that took much of the day.