New Delhi, Aug. 3 -- The Municipal Corporation of Delhi (MCD) is set to launch a pilot project using 3D mapping and digital surveys to identify property tax defaulters and expand its tax base, senior MCD officials said on Sunday. As per MCD records, tax from just 1.4 million properties has been received in 2025-26 financial year against a total of 3.25 million liable properties. According to the pilot project details, a private agency has been engaged to carry out mapping and surveys of one ward each in four MCD zones -- Karol Bagh, Narela, Rohini and Shahdara South. "The exercise, expected to begin after the monsoon, will digitally catalogue every property, recording details such as its location, built-up area, number of floors and proper...