The senior HAL official said that the company is making six more such aircraft.
The aircraft has no toilet and the seating capacity will be reduced to 17 in case a toilet is added to it.
The engine of the aircraft is not made in India.
"There is a lot of interest shown from the state governments as well as private parties to make it deployable in the Udaan scheme," Roy added.
Earlier this month, a ground-breaking ceremony was held in Goa for a new facility of Helicopter Engines MRO Pvt Limited (HE-MRO), a joint venture of Hindustan Aeronautics Limited and Safran. The facility, located in Sattari, 40km from Panaji, will be operational by the end of 2023, HAL said.
(With inputs from agencies)