Three officers, one havaldar were injured inside the army's sprawling Air Defence College in Gopalpur, Odisha during firing practice. All of them had to be rushed to Kolkata where they were admitted to the Command Hospital for further treatment. The officers were injured while 'chambering' which is a process through which a bullet is loaded into its chamber in a gun. Of the three, two have sustained serious injuries on their hands, faces and parts of their bodies have been blown off as per initial reports.