Kolkata, April 28 -- Progress of the ongoing energy saving and efficiency improvement projects of the Metro Railway Kolkata like replacement of steel by highly conductive aluminium for the third rail were reviewed at a high level meeting here on Monday.
Additional Member (Electrification), Railway Board, Jaideep Gupta, led the review of different green initiatives during the deliberations at the railway division's headquarters Metro Rail Bhavan, an official said.
The tunnel ventilation system and environment control system for the underground section and the battery energy storage system with advanced chemical battery were also reviewed.
Replacement of steel with a highly conductive aluminium twill help to reduce the loss on the third ra...