The proposal has been sent to the Railway Board on June 26, 2018.
“The idea is to have the Metro alignment as close to the existing Eastern Railway suburban line as possible to help people living along B T Road and reduce congestion in the suburban section.
It would make no sense if people had to travel an additional 3-4km by road to reach a Metro station,” he said.
For the stretch between the airport and New Barrackpore, an additional cost of Rs 1,615 crore will be required for material modification.
Between Noapara and the airport, 750 sq m need to be acquired and three residential buildings demolished in the Digla Mouza.
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