How many smart cities were announced by the Union Ministry of Urban Development (in the 1st batch) on 28th Jan 2016 under the 'Smart Cities Mission'?
20
20 smart cities were announced by the Union Ministry of Urban Development (in the 1st batch) under the 'Smart Cities Mission'. The 20 cities were selected through the 'Smart City Challenge' competition which included 100 cities from 11 States and Union Territory of Delhi.