Talking to reporters on the sidelines of an event, he said a Russian company is expected to start the service.
The airboat, the minister said, will have an engine of a vehicle and carry 16 people at a time.
It can cruise up to 80 kilometers per hour and requires a depth of only 10 centimeters, he said.
"We are planning to start the service by January 26," Gadkari said.
A 1,680 kilometers-waterway connects Prayagraj with Haldia.
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