The state also saw the highest number of 19,242 samples tested and recoveries (1,438 people) in a single day today.
Of the 1,515 new cases, Chennai accounted for 919 while three were foreign returnees.
The tally of positive cases in the state stood at 48,019 out of which Chennai's count was 34,245. The active cases were 20,706.
While 35 died in government hospitals, 14 others succumbed in private facilities and the deaths, which occurred over the past few days, were reported together today by the government.