The COVID-19 pandemic has recently become a threat all across the globe with the rising cases every day and many countries experiencing its outbreak. According to the WHO, the virus is capable of spreading at an exponential rate across countries, and India is now one of the worst-affected...

India's case fatality rate (CFR) under covid-19 is strikingly low, trending from 3% or more, to a current level of around 2.2%. The world average rate is far higher, at around 4%. Several observers have noted that this difference is at least partly due to India's younger age distribution. In...

This research is an extension of our previous work [Debnath and Srivastava (2021)]. In that paper, we designed a portfolio based on data taken from National Stock Exchange (NSE), India, during 1 January 2020 to 31 December 2020 and performance of that portfolio in real-life situation was...