Different lines of Kolkata Metro to be colour coded soon

As informed by official sources, the railway board is said to have suggested blue colour for the existing North-South line. The Garia-Airport project is to be given an orange makeover. Yellow was suggested for the line from Baranagar to Barrackpore. Likewise, the stretch of Howrah Maidan to Sector V of the East-West Metro is to be operated in green colour while that from Joka - Esplanade will be given a purple colour.