> The dead body floating thing happened in 1 or 2 states.

Those were the worst hit states - UP and Bihar. What was observed during the second wave was not normal, something like that last happened in 1918 after the Spanish flu:

https://www.bbc.com/news/world-asia-india-57068503 "This is not the first time bodies have floated up in rivers in India during a pandemic.

"The River Ganga was swollen with dead bodies", the famous Hindi language writer and poet, Suryakant Tripathi, better known as Nirala, wrote about the 1918 outbreak of Spanish flu in his village in a province which is now India's Uttar Pradesh state."