He was commanding the small army detachment at Kokavil; when it was surrounded he refused to abandon the injured and fought until they were overrun by the Liberation Tigers of Tamil Eelam (LTTE).

[1][2] Born in Kandy, his father was a planter in the State Plantations Corporation and a captain in the Ceylon Volunteer Force.

Two officers and 58 men from A Company was dispatched to an isolated army outpost at Kokuvla (Kokavil) that was established for guarding the television relay station.

On July 11, orders to withdraw from the camp came at the eleventh hour but then it was too late and Aladeniya had wounded men whom he did not want to leave behind.

[5] Final words spoken by Lt. Aladeniya to Wanni headquarters were, Don’t worry sir, I will fight till I die.

[6]Aladeniya was posthumously promoted to rank of captain and awarded the Parama Weera Vibhushanaya medal on June 21, 1994, by the president DB Wijetunga.