The deceased was identified as Tanoya Murong, 25, daughter of Kralai Murong, resident of the 26-kilometre area on Thanchi road.
The accident occurred around 11:30am in the Jobiram Para area along the Kalarjhiri–Marma Para road, said Mirza Zahid Uddin, officer-in-charge of Alikadam Police Station.
A group of people from Thanchi upazila was travelling to attend an event in Kalarjhiri Marma Para when the driver lost control of the vehicle.
The jeep veered off the road and fell into a nearby hill stream, leaving Tanoya dead on the spot.
All the victims are residents of Thanchi upazila.
Upon receiving the information, members of the Fire Service and Civil Defence, with the help of locals, rescued the injured and took them to Alikadam Upazila Health Complex, reports UNB.
Of the injured, 11 were later shifted to Cox’s Bazar Medical College Hospital as their condition deteriorated.