Delhi State Archives (Image from 'Maps of Delhi' by Pilar Maria Guerrieri; Niyogi Books). As we progress to the late 1990s, digital maps become the medium of choice.

All industries in Delhi to switch to PNG by January 31, 2021, directs air quality commission Hindustan Times, New Delhi | By Jayashree Nandi Dec 22, 2020 04:44 PM IST ...