As many as 12 cities (Tiruchy, Chennai, Coimbatore, Erode, Madurai, Tiruppur, Tirunelveli, Dindigul, Salem, Thanjavur, Thoothukudi and Vellore) in the state showed better performance than New Delhi. Delhi was ranked 65th in the index while Puducherry, secured the 60th position.

“In Tiruchy, no cholera or acute gastroenteritis or dengue cases have been reported in the past 18 months. So, I congratulate our corporation commissioner and other officials and workers for their dedicated work to achieve this milestone,” said Dr MA Aleem, former vice principal, KAPV Government Medical College, Tiruchy.

Tiruchy Corporation officials said the city will figure in the top five in the next list.

Chennai was ranked at 14 and Coimbatore 25th in the index topped by Pune in Maharashtra. In the top 10, Pune, Navi Mumbai and Greater Mumbai were followed by Tirupati, Chandigarh, Thane, Raipur, Indore, Vijayawada and Bhopal.