Tamil Nadu reported 2,115 new COVID-19 cases taking the total number of cases to 54,449.
"The death toll rose to 666 after 41 deaths were reported today," the state government said.
The COVID-19 count in India has reached 3,80,532 on Friday, according to the Union Health and Family Welfare Ministry.
The death toll due to COVID-19 has now reached 12,573. The COVID-19 count includes 1,63,248 active cases, while 2,04,711 patients have been cured and discharged or migrated so far.
( With inputs from ANI )