New Delhi, June 26 -- The Municipal Corporation of Delhi (MCD) may soon get the legal powers to issue digital challans and recover dues from commercial vehicles evading toll tax as the civic body prepares to roll out a barrierless toll collection system across Delhi's borders by the end of the year. The civic body on Thursday approved a proposal to amend the Delhi Municipal Corporation (Toll Tax) Bye-Laws, 2007, paving the way for enforcement measures under the upcoming Multi-Lane Free Flow (MLFF) tolling system. MCD has already floated tenders for selecting contractors with the bidding process expected to conclude by June 30. Officials said 20 major toll plazas including Kundli, Rajokri, Tikri, Aya Nagar, Kalindi Kunj, Kapashera, Shahdara ...