NAVI MUMBAI, Sept. 17 -- For close to three months now, residents of gaothan and slums in Navi Mumbai have been facing water scarcity owing to less water supply. The need of 80 MLD from MIDC was initially met by 75 MLD. But, for the last three months, it has come down to 60 MLD, say Navi Mumbai Municipal Corporation (NMMC) officials....