Five persons were injured, two of them critically, on Sunday in an accident at the JSW Monnet plant in Naharpali village in Chhattisgarh's Raigarh district, police said.
The two critically injured workers were airlifted to Raipur.
Raigarh Superintendent of Police Santosh Kumar Singh told The Pioneer that the other three were admitted to a local hospital.
The accident occurred when cleaning work was on at a chamber of a kiln in the plant.
The names of injured are Shankar Katakwar, Shiv Sahu, Jivnandan Deshmukh, Madhukar Rawte and Manish Gupta, the official said.