Finding some of the 100 cities selected for the Smart Cities Mission lagging behind in implementation of projects, the Union Housing and Urban Affairs Ministry has decided to pair up 20 of the best performers with 20 of the worst in order to improve their performance. The aim was that the top performing cities would inspire and help those lagging behind to improve their work. Among the top cities in the latest internal rankings are Nagpur, Tiruppur, Ranchi, Bhopal, Surat, Kanpur, Indore, Visakhapatnam, Vellore, Vadodara, Nashik, Agra, Varanasi, Davanagere, Kota, Pune and Udaipur.