MUMBAI: Maharashtra ST Karmachari Congress general secretary Shrirang Barge on Sunday demanded that the state transport buses should be exempted from toll rates as the charges were hefty after the hikes from October 1.The burden of the toll hike will be on commuters and the government should consider MSRTC as public service and waive toll at all check posts, he said.He said that the MSRTC pays around Rs...