MUMBAI, Feb. 20 -- Irani cafes and bakeries in south Mumbai, a cornerstone of the city's heritage, food culture and history, may lose some of their flavour, thanks to the switch from charcoal- and wood-fired ovens to green fuels. These are not the only food establishments impacted by the ban on the use of wood and charcoal as directed by the Bombay high court on January 9....