Seaplanes are typically fixed-wing aircraft with much fewer number of seats and can take off from, and land on, water.
"Government will make necessary framework for encouraging investment in sea plane activities," Jaitley said while presenting the Union Budget 2018-19.
A seaplane trial run of no-frills airline SpiceJet was done off the Mumbai coast in December 2017. The carrier also plans to purchase more than 100 amphibian aircraft at an estimated cost of USD 400 million.
"This project has the potential to convert every river into a runway and every pond into an airport thus providing hundreds of thousands of airports to the country," Singh said in a statement.
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In December, Prime Minister Narendra Modi had flown in a seaplane.
Transport, Highways and Shipping Minister Nitin Gadkari has been mentioning about huge growth potential for seaplanes as well as pitching for manufacturing such aircraft in the country.
"I have been talking about seaplanes. If it starts, in India we have the potential of starting 10,000 seaplanes. We have 3 to 4 lakh ponds in India, plenty of dams, 2,000 river ports, 200 small ports and 12 major ports. It will cost less," he had said in December last.
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