The 15th Indian Division was an infantry division of the British Indian Army that saw active service in the First World War. It served in the Mesopotamian Campaign on the Euphrates Front throughout its existence. It did not serve in the Second World War, but was reformed at Dehradun in 1964 as part of the post-independence Indian Army. History World War I The division was formed on 7 May 1916 to replace the 12th Indian Division on the Euphrates Front. It remained on the Euphrates Front until the end of the war. It took part in the action of As Sahilan (11 September 1916), the Capture of Ramadi (28 and 29 September 1917), the Occupation of Hīt (9 March 1918) and the action of Khan Baghdadi (26 and 27 March 1918). The division was not attached to either of the army corps operating in Mesopotamia, the I Corps and III Corps. The division was commanded from formation on 7 May 1916 by Brigadier-General Harry T Brooking. Brooking was promoted to Major-General on 5 June 1916. At the end of the war, the division was rapidly run down and it was disbanded in March 1919. Post Independence The division was re-raised on 1 October 1964 at Clement Town, Dehradun under Major General Niranjan Prasad and assigned to XI Corps. The divisional headquarters has been located at Amritsar since 1965. Order of battle, First World War The division commanded the following units, although not all of them served at the same time: 12th Indian Brigade 1/5th Battalion, Queen's (Royal West Surrey Regiment) 2nd Battalion, 39th Garhwal Rifles 1st Battalion, 43rd Erinpura Infantry 90th Punjabis 128th Machine Gun Company 12th Light Trench Mortar Battery 34th Indian Brigade Joined the division on formation and left for the 17th Indian Division in August 1917 2nd Battalion, Queen's Own (Royal West Kent Regiment) 31st Punjabis 1st Battalion, 112th Infantry 114th Mahrattas 129th Machine Gun Company 42nd Indian Brigade 1/4th Battalion, Devonshire Regiment 1/4th Battalion, Dorsetshire Regiment 1st Battalion, 5th Gurkha Rifles (Frontier Force) 2nd Battalion, 5th Gurkha Rifles (Frontier Force) 2nd Battalion, 6th Gurkha Rifles 130th Machine Gun Company 42nd Light Trench Mortar Battery 50th Indian Brigade Joined from the 17th Indian Division in September 1917 1st Battalion, Oxfordshire and Buckinghamshire Light Infantry 6th Jat Light Infantry 14th King George's Own Ferozepore Sikhs 24th Punjabis 1st Battalion, 97th Deccan Infantry 256th Machine Gun Company 50th Light