Indore has been adjudged as the cleanest city of India for the fourth time in a row in the Swachh Survekshan awards 2020 announced by the Union housing and urban affairs minister Hardeep Singh Puri. While Gujarat's Surat takes second spot, Navi Mumbai ranks third in the category of cities with more than 10 lakh population. On the other hand, Bihar's Patna has emerged as the most dirtiest city. Even in the category of smaller cities too, the state has fared poorly with several of its cities like Gaya and Buxar making at the bottom of the rankings.