Background
Daluwatte was born in Ambalangoda, a coastal town in the south of Sri Lanka, to D. H. Paulis De Silva, a planter and former athlete, and D. W. Leela Somawathie.
Daluwatte was born in Ambalangoda, a coastal town in the south of Sri Lanka, to D. H. Paulis De Silva, a planter and former athlete, and D. W. Leela Somawathie.
Later he was educated at Ananda College Colombo.
He received his primary education in Dharmapala Vidyalaya. At school, he was a good sportsman. Daluwatte joined the Sri Lanka Army in 1961 as an officer cadet.
He took his military training at the Royal Military Academy Sandhurst, United Kingdom.
In the Sandhurst Military Academy, he excelled in athletics, badminton and basketball. On 1 May 1996, he was appointed as 13th Army Commander in Sri Lanka by former President Chandrika Kumaratunga.
On 15 December 1998, he retired from the military service. As the commander, Daluwatte lead the Operation Riviresa against the Liberation Tigers of Tamil Eelam on Eelam War III. During his tenure in the Army he held important positions such as Chief Instructor of Officer Cadet School in air traffic controllers from 1979 to 1981, Commanding Officer,1st Reconnaissance Regiment Sri Lanka Armoured Corps,Commanding Officer of Sri Lanka Army Service Corps, Coordinating Officer Commanding Troops in Mannar, Director-Supplies and Transport, Commandant of Army Training Centre and Military Secretary, Army Headquarters.
He was instrumental in establishing the Army Command and Staff College.
After his retirement he was promoted to the rank of General and was appointed as the Head of the newly formed Joint Operations Command and later as the Chief of Defense Staff. After retiring from army, he served as the Ambassador of Sri Lanka in Brazil from 2002 to 2005. Currently, he is the chairman of the Gems and Jewellery Authority Sri Lanka.
Also, he is the Chancellor of the Kotalawala Defence University.
In 1957, to 1960, he captained the Ananda College Badminton Team, had been a member of the College Tennis Team in 1959 and 1960 and he was the wicket-keeper in the Ananda First XI in 196.