According to the state health separtment, Chennai reported 1,140 new cases.
While 3,035 others, who tested positive earlier and were admitted to hospital were discharged on Monday, 66 patients succumbed to the disease.
Other districts which saw a spike in numbers include Madurai- 464 cases, Kanchipuram and Tiruvallur - over 300 cases, Chengalpet- 219. Number of cases in districts including Kanyakumari, Ranipet, Salem, Theni, Tuticorin, Tirunelveli, Vellore, Villupuram and others are over 100.
The total number of Covid-19 cases in the state now stands at 142,798 in the state. While 92,567 people have been cured and discharged, 2,032 people have died in the state till now.
Meanwhile, Tamil Nadu government extended the ban on public transport run by government and private operators across the state till July 31, in its attempt to contain the spread of the pandemic.