The correct answer is (a) Mahamari.
Mahamari is a Hindi word that means “great epidemic” or “great plague.” It was the word used by many Indians to refer to the COVID-19 pandemic. The Oxford Dictionary chose Mahamari as the Hindi word of the year 2020 because it captured the sense of fear and uncertainty that many people felt during the pandemic.
The other options are:
(b) Aadhar: Aadhar is a Hindi word that means “foundation” or “base.” It is the name of a biometric identification system that was launched by the Indian government in 2009. The Aadhar system is designed to provide a unique identification number to all Indian citizens.
(c) COVID-19: COVID-19 is a disease caused by a virus called SARS-CoV-2. The disease was first identified in Wuhan, China, in December 2019. COVID-19 has since spread to over 200 countries and territories, infecting over 500 million people and killing over 6 million people.
(d) Aatmanirbharta: Aatmanirbharta is a Hindi word that means “self-reliance” or “self-sufficiency.” It is a key policy goal of the Indian government. The government has been promoting Aatmanirbharta in a number of areas, including manufacturing, agriculture, and defense.