This makes India the third country after the United States and Brazil to record more than 3 lakh fatalities since the pandemic broke out in December 2019.
Cumulatively, India reported 2,65,30,132 cases, of which total active cases were 28,05,399, those who recovered were 2,34,25,467 and the death toll stood at 2,99,266, as per the government data.
At the same time, 222,315 new infections were reported, taking the South Asian country's total caseload to 26.75 million, the data showed.
However, experts say the real numbers of deaths and infections in India - fuelled by a new coronavirus variant and "superspreader" events such as mass religious festivals - are probably much higher than the official figures.More news: United States agencies examine reports of early COVID-19 infections in Wuhan lab
In Mumbai, COVID-19 patients have died in crowded hospital corridors. India crossed the grim milestone of 2 crore cases on May 4.
Ten states-Tamil Nadu, Kerala, Maharashtra, Karnataka, Andhra Pradesh, West Bengal, Odisha, Rajasthan, Uttar Pradesh and Assam-reported 76.66 per cent of the 2,59,551 new cases registered in a day, the ministry said.
As part of the nationwide vaccination drive, the Centre been supporting the states and UTs by providing them COVID vaccines free of cost.
India's death toll is the third-highest reported in the world, accounting for 8.6 per cent of the almost 34.7 million coronavirus fatalities globally.
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.More news: Coveney ‘extremely worrying’ as Ryanair flight grounded and passenger detained
The first known COVID-19 death in India happened on March 12, 2020, in southern Karnataka state.
As many as 5,819,912 people have taken the first dose of the vaccine so far while 3,972,218 people received the second shot.
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. "All 400 vaccination sites for 18-44 age group closed in Delhi; Covaxin centres for 45-plus people shut too", Deputy CM Manish Sisodia said on Monday.
The cumulative number of COVID-19 vaccine doses administered in the country exceeded 19.60 crore, the ministry said.More news: At least eight dead in Italian cable vehicle accident