The statewide six-hour bandh called by the Left Front against pre-panchayat poll violence in West Bengal began from 6 am today amidst elaborate security arrangements. Public transport was available on the city roads since early morning, flight services remained normal while train services in the suburban sections of the South Eastern Railway and the Eastern Railway remained mostly normal. Metro rail services were also normal. Educational institutions were open. Calcutta University and the CBSE authorities had said that the examination schedule would not be altered in view of the bandh.-- PTI