Defence Ministry denies permission for low-flying photos, necessary for contour mapping of city The Brihanmumbai Municipal Corporation's grand plans to arm itself with a mathematical model that will help predict a deluge like the 944-mm deluge of July 26, 2005, just received a huge setback. Looking to prepare a flood modelling system, the BMC had sought permissions to shoot a series of low-flying photographs of the city's surfaces for a contour mapping exercise, but were rebuffed. Last week, the Ministry of Defence rejected the plans for