As Telangana starts to coil with political tension, the union government finds itself on disconcertingly familiar territory in Andhra Pradesh. Congress leaders who are from the volatile region have ganged up with mass resignations; in Telangana, a bandh has been called starting tomorrow; and K Chandrasekhara Rao has delivered the latest in a series of incendiary speeches. "Buses and trains will not move," he warned publically today.