Milkha's wife Nirmal Kaur (85), who had also contracted the virus days after her husband tested positive, had passed away at a private hospital in Mohali on Sunday due to COVID-related complications.
The Greater Chennai Corporation is planning to open a 500-bed Covid care centre with an Oxygen facility as the pandemic surges in the city.
The Central government is also planning to press the Indian Air Force (IAF) into airlifting oxygen containers and equipment from other nations.
Reports of scarcity of beds and oxygen in hospitals of several cities across India have been pouring in consistently. Watch India TV's reality check from inside a Covid ICU.
Out of 1,177 COVID ICU beds with ventilators, only 79 were vacant, while 348 out of 2,130 COVID ICU beds without ventilators were vacant, according to the Delhi Corona app.
Amid the growing cases of coronavirus in Delhi, the national capital is witnessing a crisis with the availability of COVID beds with ventilators at 39 private and a Central government-run hospital.