A political outcry has erupted in India after the government mandated large technology companies to install a state-owned app on smartphones that has led to surveillance fears among opposition MPs and activists.Manufacturers including Apple, Samsung and Xiomi have 90 days to comply with the order to preload the government’s Sanchar Saathi, or Communication Partner, on every phone in India.All phones must have the app pre-installed before sale, while those already sold should have it installed th...