The injured are Shiva Shanker Saha a local of Sedawa VDC-8, Parsa, Mohammad Ataunal Haq, Buddiram and Mohhamad Mustakim of Bara district.
Meanwhile, four Indian nationals lost their lives in the accident.
Two who were seriously injured were rushed to Patna of India for treatment while another two are also undergoing treatment in a local hospital of Patna.
The accident took place when the train en route to Ghodasahan from Narkatiyagunj collided with a truck carrying sand in front of the airport between Raksaul and Bhelahi station.
First private sector cargo train from India arrives in Birgunj