This makes it the third country after the United States and Brazil to cross the grim milestone as it grapples with a second wave of the pandemic.
The death toll rose by 38 in a 24-hour count to 12,348, according to the government data.
India'shealth ministry Monday reported 4,454 new deaths in the last 24 hours, bringing India's total fatalities to 303,720.
India's Covid-19 death toll topped 300,000 on Monday as it tried to contain its huge outbreak, while Japan opened its first mass vaccination centres just two months before the start of the Olympics.
Besides, 5,98,35,256 and 95,80,860 beneficiaries aged 45 to 60 years have been administered the first and second doses, respectively, while 5,62,45,627 and 1,81,31,102 beneficiaries aged above 60 years have taken the first and second doses, respectively, the ministry added.
The continued high number of deaths came as infections fell in major cities, including the capital New Delhi and financial hub Mumbai, where lockdowns have been imposed to stem the spread of the virus.
People waiting during COVID-19 vaccination drive at KC General Hospital, in Bengaluru on Friday 21 May 2021.
Its far-right president Jair Bolsonaro has been widely condemned for his coronavirus scepticism and pandemic management, with Brazil's death toll crossing 450,000.
Daily numbers in states including West Bengal, which recently concluded state elections, and the southern states of Andhra Pradesh and Tamil Nadu were on the rise, he said.
India is now going through the second wave of the COVID-19 pandemic and has lost a total of 2,99,266 lives to the coronavirus infection so far.
Many others have been found buried in shallow graves along its sandy banks.
The next 100,000 deaths were recorded in just 27 days after new infections tore through dense cities and rural areas alike and overwhelmed health care systems on the brink of collapse.
According to research published Monday, dogs - with their remarkable sense of smell - can be trained to detect more than 90 percent of Covid-19 infections even when patients are asymptomatic.
The Rajasthan government, which extended the coronavirus lockdown by 15 days till June 8, also said the state may allow some relaxations in commercial activities from June 1 in districts where the COVID-19 situation will show significant improvement.
Vaccine booking expanded to children 12 and up
They were partly made at a Maryland production facility owned by Emergent BioSolutions, which has been cited by the U.S. This is the second death caused by Vaccine-Induced Immune Thrombotic Thrombocytopenia (VITT) reported in New Brunswick.