600-strong Police force led by Mandya SP keeps vigil; Schools, colleges closed as a precautionary measure Nagamangala, Sept. 5 (VNS)- The grand procession of Ganesha idols, followed by immersion, organised by the Samuhika Ganapathi Samiti, was held peacefully at Nagamangala yesterday. The event began with special puja rituals at the Ganapathi Temple in T.B. Layout,…