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Kolkata Metro goes 100 per cent LED, reduces Rs 2.43-cr power bill annually - NEWSMEN
Kolkata: The Metro Railway in Kolkata has achieved a major feat of having replaced all the existing illuminations at its stations with LED lighting. All the 24 functional Metro Railway stations in Kolkata right from Noapara to Kavi Subhash are now illuminated by 100 per cent LED lights. “This will lead to the saving of …