The medals are awarded for 'Outstanding Devotion to Duty' of the Police, Fire & Rescue Service, Prison Service, Home Guards and Finger Print Science personnel, a release from Home Secretary Apurva Verma said.
It said 127 personnel, including 100 from police department, have been selected for the award, which includes 'a bronze medal and a lumpsum grant according to the ranks.
Chief Minister Jayalalithaa will present the medals in a ceremonial parade in due course, it added.