The New Delhi Municipal Council, which covers the high-security Lutyens' zone of the national capital, was ranked number one in the Centre's 'Municipal Performance Index' in the 'less than a million population' category. According to the index released by Union Housing and Urban Affairs Minister Hardeep Singh Puri on Thursday, in the 'million plus population' category, Indore secured the top position while South Delhi, East Delhi and North Delhi were ranked 28th, 42nd and 48th respectively among the 51 cities. New Delhi Municipal Council topped the chart in the 'population less than million' category. It was followed by the civic bodies of Tirupati, Gandhinagar, Karnal, Salem, Tiruppur, Bilaspur, Udaipur, Jhansi and Tirunelveli which were among the 60 civic bodies which were in contention in the 'below one million' category.