Although the Indian Railways wanted RDA to be set up through an executive order, the Niti Aayog had pitched for legislative route to ensure independence of the authority.
Prime Minister Narendra Modi, according to sources, has given his consent for a legislation-backed RDA on the lines of the Telecom Regulatory Authority of India (TRAI).
"A joint presentation by Niti Aayog and Railways were made before the Prime Minister and the PM expressed satisfaction," he said.
RDA may be also entrusted with the task of regulating private investment in railways and resolving commercial disputes.
National Transport Development Policy Committee (NTDPC) Report of 2014 had recommended that a Rail Tariff Authority should be set up which should become the overall regulator.
Later Bibek Debroy Committee Report had also recommended a regulator with overarching functions.
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