On January 17, 2020, the Ministry of Health and Family Welfare acknowledged the emergence of COVID-19 pandemic that was spreading across China. Tamil Nadu reported its first confirmed case of COVID-19 on March 7, 2020. As of April 28, the state has 1,937 confirmed cases of COVID-19 (seventh highest in the country). Of these, 1,101 have recovered (third highest rate of recovery in the country among states with 100 or more cases) and 24 have died. The state government has taken several actions to contain the spread and impact of COVID-19. In this blog, we look at the key measures taken by the Tamil Nadu government between January 19 and April 28, 2020.