A week after sunday mid-day reported that the Rail India Technical and Economic Services (RITES), a government consultancy firm, came up with a report suggesting that the Charkop Bandra Mankhurd (CBM) metro line two can be completely underground, transport experts and officials from Mumbai Metropolitan Region Development Authority (MMRDA) are a worried lot. They said that the construction of this line will require more than R20,000 crore and getting such a huge amount will be a difficult task.

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