The MUV was giving space to a lorry coming from the opposite direction and, in the process, rammed into a stationary truck on NH-34 at around 7.30 AM.
The deceased are driver Malay Das (30) and two passengers of the MUV, Bhajan lal Mahata (32) and Rupesh Pandey (28), police said.
The injured were admitted to Raiganj District Hospital.