Nagpur, Ahmedabad, Lucknow, Pune and Vijayawada are few cities which are under the consideration of the central government, he said.
"The Metro services would cover a total length of 223 km and cost Rs 83,000 crore," Naidu said.
With such expansion of metro services, the demand for rolling stock is set to increase and keeping this in view, government is encouraging production of metro coaches in the country, Naidu said.
Stating that presently indigenous metro coach making facilities existed at three locations in the country with a total production capacity of 620 coaches per year, Naidu said these include BEML's unit at Bengaluru with a capacity of 150 coaches per year, Bombardier's unit in Gujarat with a capacity of 350 per year and Alstom's unit in Chennai that can produce 120 cars per year.
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Naidu said Bombardier has signed a contract with Australia for exporting 450 metro cars made in India and these exports will begin by the end of this year. Similarly, Alstom will supply 132 metro cars to Australia beginning in August, 2017.
"This is what our Prime Minister is keen about. India shall emerge as the manufacturing hub for the world given our advantages.
"Manufacturing of metro cars for domestic needs as well as for exports is an indication of the dream of 'Make in India' taking shape," he said.