Ranchi: Tata Steel on Thursday said it has provided 300 oxygen concentrators to the Jharkhand government to help it fight against the second wave of COVID-19.These oxygen concentrators were imported from the US and China."In its continued efforts to fight against COVID-19, Tata Steel handed over 300 oxygen concentrators to the Government of Jharkhand," a company statement said.These oxygen concentrators were given to the state government's health, medical education and family welfare department additional chief secretary AK Singh.Tata Steel's chief resident executive - Ranchi Sanjay Mohan Srivastava was present on the occasion.Besides other efforts to combat COVID-19, the steelmaker has been collaborating with the government to augment the.