Capt.D.K. Giri professionally trained at the Infantry School, Belgaum on all weapons, Tactics and Commando warfare. Thereafter, he underwent training at the Army School of Physical Training, Pune. On Battalion Sport Weapons in Mhow, on Counter Insurgency and Jungle Warfare in Kashmir. Besides the above he underwent training in Intelligence collection, security and various other aspects of safety through the strict disciplines of the armed forces.Being a Short Service Officer, Capt D.K.Giri had the option of quitting the army in 1977, at a young age of 27 years.After that he is maintaining so many Detective agency in all over the World.Presently he is concentrating on Detective agency in Punjab.