Medical experts say real numbers across the country of 1.35 billion may be five to 10 times higher than the official tally.
Hospitals have filled to capacity, medical oxygen supplies have run short and morgues and crematoriums have been swamped as the country deals with the surge in cases.
At least 11 states and union territories have imposed some form of restrictions to try and stem infections, but Prime Minister Narendra Modi’s government is reluctant to impose a national lockdown, concerned about the economic impact.