Dharavi survey is a complex operation requiring meticulous effort and coordination.The survey of more than 25,000 tenements at Mumbai's Dharavi is completed and over 60,000 have been numbered, said a senior official of the Dharavi Redevelopment Project that aims to transform Asia's largest slum into a modern, liveable community."On an average day, 300 to 400 tenements are numbered, and 200 to 250 homes are verified. Despite major challenges, like two elections and a prolonged monsoon, surveys of more than 25,000 tenements have been completed, and over 60,000 tenements have been numbered since mid-March this year," said the official.The survey comprises land reconnaissance and the numbering of tenements, after which advanced Lidar mapping technology is used to capture the area's layout. Aft...