Know the reasons behind shortfall of oxygen

In the last seven days (from April 14 to April 20), 1,202 people have fallen prey to Covid-19 in the national capital, which reported its highest single-day death toll of 277 on Tuesday, taking its overall toll to 12,638. Shortage of oxygen is one of the cause of the deaths as patients are unable to get oxygen beds in hospitals. Watch video to know more.