The deceased have been identified as Upendra Ghimire, 25, of Ramdhuni-4 and Kuntosh Chaudhary, 25, of Duhabi-4, according to Eastern Regional Traffic Police Office, Itahari.
Pillion rider Ghimire died when a motorcycle (Ko 11 Pa 8085) heading towards east from west and a car (Ba 13 Cha 3341) coming from opposite direction collided with each other.
Motorcyclist Ghimire died while undergoing treatment at Dharan-based BP Koirala Institute of Health Sciences.
Similarly, Chaudhary died when a truck with Indian number plate (W B 15 A 7995) hit a motorcycle (Ko 20 Pa 6059) coming from opposite direction at Duhabi Municipality-4.
Police have impounded both vehicles and the car driver is under police surveillance while the truck driver is at large.