Mass cremation of Covid-19 victims and others takes place at Gazipur Crematorium in New Delhi on April 26, 2021. PTI photo

Family members react during the cremation of a Covid-19 victim, as coronavirus cases surge in record numbers, at Sarai Kale Khan Crematorium in New Delhi on May 6, 2021. PTI photo

Covid-19 victims being cremated at Bhairav Ghat Hindu Crematory, as coronavirus cases surge in record numbers across the country, in Kanpur on April 22, 2021. PTI photo

Relatives perform last rites of a Covid-19 victim at a crematorium in Srinagar on May 28, 2021. PTI photo

Relatives of a Covid-19 victim mourn outside the mortuary of a COVID-19 hospital in Ahmedabad on April 15, 2021. PTI photo

A Covid-19 positive child receives free oxygen provided by a Sikh organization, as coronavirus cases surge in record numbers across the country at Indirapuram, Ghaziabad, on May 5, 2021. PTI photo

Family members react on the death of a relative who died of Covid-19 as coronavirus cases surge across the country, outside a mortuary in Ahmedabad on April 18, 2021. PTI photo

A man breaks down after losing his relative at Jaipur Golden hospital, Rohini, New Delhi on April 24, 2021. At least 20 critically ill Covid-19 patients died because of oxygen scarcity at the hospital at the peak of India's Covid health crisis. PTI photo

A family member reacts after getting the news of medical oxygen gas leakage from a storage unit, which led to interruption in supply of oxygen to Covid-19 patients in Nashik on April 21, 2021. PTI photo

A relative reacts during cremation of a Covid-19 victim at the Old Seemapuri Cremation Ground in New Delhi on May 6, 2021. PTI photo

Bodies of the deceased buried under the sand during the deadly second wave of Covid-19 pandemic, near the banks of Ganga river in Prayagraj on May 15, 2021. PTI photo

An inconsolable family member cries while performing the last rites of a Covid-19 victim in Jammu on May 5, 2021. PTI photo

Relatives carry the body of a person who died of Covid-19 for cremation at a crematorium ground in New Delhi on April 28, 2021. Reuters

The back of a doctors PPE kit reads 'GOD IS NEAR' with her name written below to help in identification, at Government Institute of Medical Sciences (GIMS) in Greater Noida on May 25, 2021. PTI photo

Relatives carry the body of a person who died of Covid-19 for cremation at a crematorium ground in New Delhi on April 28, 2021. Reuters