MUMBAI, Aug. 12 -- Transport unions and associations of private bus operators, trucks, tempos, and aggregator cabs have called for a state-wide strike on September 11 in protest of wrongful e-challans. On August 11, owners of heavy vehicles, tourist buses, and school buses held a meeting in Vashi, where 500 members from different associations were present. Members of transport associations noted that despite assurances from the government, no steps had been taken in the past few months to resolve issues related to the e-challan system. A member of the Mumbai Bus Chalak Malak Sanghatana said, "The e-challans run into hundreds of crores and are hampering us on a daily basis. Our buses are wrongly tagged with e-challans." He added that all buses across different platforms will participate in the strike....