"I think we are late by 20 years...20 years back we should have started the activity of developing Mumbai as IFSC," he said after inaugurating a branch of Japanese lender SMBC in the Bandra Kurla Complex (BKC).
"Mumbai is not only the financial capital of India, but we hope that in the years to come, it will play a major role as an IFSC," he said.
Maharashtra was governed by a Shiv Sena-BJP government two decades ago under Manohar Joshi.
"I think if we can structure it and if we make proper IFSC, Mumbai can be hottest place in financial world," the CM said, adding that despite not being formally recognised as an IFSC it ranks fifth in a global list of financial centres.
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Work on IFSC involves identifying a specific geographical area and turning it into a special economic zone which will be governed by a separate set of specially-made legal framework.
Question marks are being raised over Mumbai's bid with some critics pointing out that there is no precedent, except China, where a single country has two IFSCs.
The GIFT top brass has also questioned the need to have a second IFSC in Mumbai.
The Maharashtra government has appointed a task force under Jayant Sinha, the then Union Minister of State for Finance, for the purpose which also has top bankers in it.
Meanwhile, Fadnavis also exuded confidence of starting the fast speed 'Bullet Train' from BKC itself.
He also thanked that Japanese government agencies for helping finance a slew of infrastructure projects in the financial capital, and sought its help with financing of the Nagpur-Mumbai communications super highway.