Indore was adjudged India's cleanest city for the sixth time in a row, while Surat and Navi Mumbai followed it on the next two spots in the Central government's annual cleanliness survey, the results of which were announced. In the category of best performing states in 'Swachh Survekshan Awards 2022', Madhya Pradesh has secured the first position, followed by Chhattisgarh and Maharashtra.