Originally formed in 1982 and disbanded in 1983 follow its amalgamated with the 1st Battalion, Rajarata Rifles form the Gajaba Regiment, the regiment was reformed on 22 March 1990. The first colonel of the regiment was W. J. V. K Wimalarathna. The regimental centre commandant was H. S. A. Perera. On 23 April 1993, the regiment was relocated to Boyagane Camp in Kurunegala District. The Regiment consists of 25 battalions, the first of which was established in 1988. The Regiment numbers 655 officers and 16,501 other ranks. A new Regimental office was opened in January 2010. It features a herbal garden in remembrance of the soldiers from the regiment who have been killed in service.

The Vijayabahu Infantry Regiment has deployed two contingents in December 2006 and June 2009 to the United Nations stabilisation mission in Haiti.^[1] and on 10 December 2011, one company to the United Nations peacekeeping mission in Lebanon.^{[citation needed]}

The Vijayabahu Infantry Training School was formed at Sinhavilluwaththa Puttlam on 15 January 1991. The first chief instructor was Upali Fernando. The school has conducted over sixty courses with nearly three hundred recruits per course. Over 13,127 recruits have been trained for distribution to various regiments. Special arms courses for officers and men have also been conducted at the school.^{[citation needed]}

The regiment provides death insurance for officers and other ranks. The Regiment Centre also runs the Vijayabahu Motocross, a popular annual motor racing event. The regiment has its own motor racing track, built in 1998. The aim of the motocross is to generate funds to provide welfare facilities for the families of the officers and other ranks killed or missing in action. It also aims to improve infrastructure facilities and rehabilitation work for disabled soldiers.

The regiment sports a volleyball team who won the champions of the Army "A" Division volleyball tournament of 2011. Disabled soldiers of the regiment participated in the Asian Para Games – 2011, as well as Commonwealth Para Games 2011.

The Vijayabahu Seva Vanitha Branch (wives' auxiliary) supports the families of fallen soldiers. They have taken steps to facilitate the constructions work of Abimansala – Brave Hearts Wellness Resort for totally disabled war heroes by donating Rs 1.5 million on 2 September 2010, Rs 100,000.00 on 1 October 2010, Rs 5.45 million on 4 October 2010 and Rs 6 million on 11 July 2011. The total fundraising was Rs 13.05 million. The Branch has held commemoration ceremonies for the families of the killed and missing officers on 3 July 2010 and 14 May 2011 and has built 19 houses for the families of fallen and missing soldiers. The women visit Ranaviru Sevana, Military and Mental Hospital, Mullariyawa.

• Major K. A. Gamage  †
• Staff Sergeant H. G. S. Bandara  †
• Sergeant P. N. Suranga  †

• Corporal W. M. Karunaratne - 1998

• Colonel Gamini Fernando  † 1 June 1995 – Commanding Officer of 1st Vijayabahu Infantry Regiment
• Colonel Nizam Dane  † 24 June 1997– Commanding Officer of the 10th Battalion of the Vijayaba Infantry Regiment
• Lt. Colonel T. R. A. Aliba  † 18 July 1996- Commanding Officer of the 6th Battalion of the Vijayaba Infantry Regiment in the Battle of Mullaitivu (1996)
• Lt. Colonel N. H. K Silva  † 18 July 1996
• Major Janaka Kasturiarachchi  † 18 July 1996 – Brigade Major, 25 Brigade in the Battle of Mullaitivu (1996)^[2]
• Major C. N. Siyambalangoda  †

• Sri Lanka Army
• Gajaba Regiment

• Sri Lanka Army
• Vijayabahu Infantry Regiment
• Unsung VIR Soldiers Commended