two divisions52nd and 74th were transferred to France in April; they were replaced by the 3rd and 7th Divisions from Mesopotamia;
nine yeomanry regiments were dismounted, converted to machine gunners and sent to France at the end of the same month; the 4th and 5th Cavalry Divisions were reformed with Indian cavalry regiments withdrawn from France and the 15th Cavalry Brigade already in Egypt;
the 10th, 53rd, 60th, and 75th Divisions were reduced to a single British battalion per brigade. They were reformed with nine Indian infantry battalions and an Indian pioneer battalion each.
In fact, the 75th Division already had four Indian battalions assigned, so of the 36 battalions needed to reform the divisions, 22 were improvised by taking whole companies from existing units already on active service in Mesopotamia and Palestine to form the 150th Infantry, 151st Sikh Infantry, 152nd Punjabis, 153rd Punjabis, 154th Infantry, 155th Pioneers, 156th Infantry and the 11th Gurkha Rifles. The donor units were then brought back up to strength by drafts. In the event, just 13 of the battalions were assigned to the divisions and the remaining nine were transferred from Mesopotamia to India in June 1918.
Formation
The regiment formed three battalions in Mesopotamia in May 1918 with complete companies posted from regiments serving in the 15th, 17th, and 18th Indian Divisions. All three battalions were transferred to India in June 1918. The 2nd Battalion later took part in the Third Anglo-Afghan War in 1919 as part of the 16th Indian Division. They were disbanded in India in 1920 and 1921.
Battalions
1st Battalion
The 1st Battalion was formed in Mesopotamia in May 1918 by the transfer of complete companies from:
The battalion was transferred from Mesopotamia to India in June 1918 and joined the Rawalpindi Additional Brigade in the 2nd Division where it remained in until the end of the First World War. In May 1919, it mobilized with the 45th Indian Brigade, 16th Indian Division and took part in the Third Anglo-Afghan War. The battalion was disbanded on 15 June 1921.
3rd Battalion
The 3rd Battalion was formed in Mesopotamia in May 1918 by the transfer of complete companies from:
42nd Deoli Regiment
43rd Erinpura Regiment
44th Merwara Infantry
99th Deccan Infantry
The battalion was transferred from Mesopotamia to India in June 1918 and joined the Ahmednagar Brigade in the 6th Poona Divisional Area where it remained in until the end of the First World War. The battalion was disbanded on 30 November 1920.