Construction work was on for the laying of 82 km long Paradip-Haridaspur rail line when the mishap took place near Tikarapanga village close to the Mahanadi River.
Chief Project Manager, Rail Vikash Nigam Limited, J Parida said "The mishap took place when the construction workers were raising an iron pillar structure for the culvert."
"The clamp which stood as support to the structure, loosened and an iron structure collapsed. Two workers were trapped inside the twisted iron rods and sustained injuries," Parida said.