India has officially recorded more than 414,000 Covid-19 deaths so far.
But according to a BBC report,
The Covid-19 pandemic has caused excess deaths in India to cross more than four million, a new study has found.
Excess deaths are a measure of how many more people are dying than would be expected compared to the previous few years.
Although it is difficult to say how many of these deaths have been caused by Covid-19, they are a measure of the overall impact of the pandemic.
https://www.bbc.com/news/world-asia-india-57888460
Karma for infecting the world with Indian variant, a variant that is causing stock markets to fall?
“Investors are concerned that the rapid spread of the Delta variant will derail the trajectory of the global recovery, notably in Asia which still has relatively low vaccination rates and where some widely used vaccines do not appear overly effective against it,” Jeff Halley, senior market analyst, from Oanda told the BBC.
https://www.bbc.com/news/business-57885183
Thoughts of a Cynical Investor 
My own estimate from couple months back was 3 – 3.5 million. Seems to be an underestimate now.
But from the case trend, looks like large portion of the neh population have got natural herd immunity now. Until the arrival of the next super mutation.