Sources said the Urban Development Ministry had forwarded a proposal for the setting up of a 33km long underground section that would connect Colaba to Bandra and would run further to Santacruz Electronics Export Processing Zone (SEEPZ).
Officials said while the previous two metro corridors in Mumbai, line 1 and line 2, were being developed in a Public Private Partnership (PPP) model, the third line would have the centre and the state government as stakeholders.
The cost of the project is estimated around Rs 23,000 crore.
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