Coronavirus in India: What is R-value and is its increase troublesome?

The R-value is increasing in India, it was 0.96 and now it has reached 1. An increase in R-value is a concern for India as it will lead to faster spread of Coronavirus in the nation. But what is R-value? Will it lead to third wave of Coronavirus at a faster rate? Here is the answer. Dr Dheeraj Kaul explains all about it.