Dehri-on-Sone,Jan 29(Agencies): Bharat Singh,a Bihar military havildar was killed in an accidental fire by his colleague at BMP firing range at Dehri-on-Sone in Bihar's Rohtas District on Saturday, police sources said.
 
Singh was critially wounded when his colleague accidentally fired while servicing his official rifle, sources said.
    
He was being rushed to Varanasi for treatment but succumbed to injuries on way, sources said.