Hmm, I’m not very sure either. I think it could be natural immunity, as you have pointed out in your other article, or massive underreporting. But if there’s also a massive fall in death counts, then underreporting may not be the answer to this conundrum.

https://qz.com/india/2039756/indias-actual-covid-19-death-toll-could-be-eight-times-higher/