New Delhi: Overall, the south has done best, with 39 among the top 100, followed by 27 from the east, 15 from the west, 12 from the north and 7 from the Northeast.
Of the 27 state capitals surveyed, 15 have made it to the top 100 while five have ranked below 300. Bangalore leads the list of capitals, while Patna comes last at 429. Among the other major eastern cities, Guwahati ranks 51, Ranchi ranks 223 and Bhubaneswar, 331.
"All the 476 Class I cities, each with a population of above one lakh, were surveyed," a ministry official said.
The current rankings are based on cities’ scores out of 42, based on the extent of open defecation (20) and solid waste management (22). The final rankings, to be based on scores out of 100, will consider their performances on additional criteria such as sewage management, wastewater treatment, drinking water quality, surface water quality of water bodies, and mortality from water-borne diseases.
