The Meerut Cavalry Brigade was a cavalry brigade of the British Indian Army formed in 1904 as a result of the Kitchener Reforms. It was mobilized as 7th (Meerut) Cavalry Brigade at the outbreak of the First World War and departed for the Western Front where it served as part of the 2nd Indian Cavalry Division.
The 17th Indian Division was formed in 1917 from units of the British Indian Army for service in the Mesopotamia Campaign during World War I. After the war, it formed part of the occupation force for Iraq and took part in the Iraq Rebellion in 1920. In August 1923, the division was reduced to a single brigade.
The 18th Indian Division was an infantry division of the British Indian Army that saw active service in the First World War. It took part in the Mesopotamian campaign and formed part of the occupation force for Iraq post-war. The division was not reformed for the Second World War.
The 16th Indian Division was an infantry division of the Indian Army during the First World War. It was formed in December 1916, during the First World War. It was the only war formed division of the British Indian Army that was not sent overseas, instead it was sent to guard the North West Frontier. The division took over the responsibilities of the 3rd Lahore Divisional Area when it was disbanded in May 1917.
The 1st (Risalpur) Cavalry Brigade was a cavalry brigade of the British Indian Army formed in 1906 as a result of the Kitchener Reforms. It remained in India during the First World War but took an active part in the Third Anglo-Afghan War in 1919.
The 34th Indian Brigade was an infantry brigade of the British Indian Army that saw active service in the Mesopotamian campaign in the Indian Army during the First World War. It was reformed for the Second World War as the 34th Indian States Forces Infantry Brigade.
The 11th Gurkha Rifles was a Gurkha regiment of the British Indian Army. It was formed in Mesopotamia and Palestine in May 1918, saw active service in the First World War and the Third Anglo-Afghan War, and was disbanded in April 1922.
The 52nd Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It took part in the Mesopotamian campaign and formed part of the occupation force for Iraq post-war. It was not reformed for the Second World War.
The 51st Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It took part in the Mesopotamian campaign and formed part of the occupation force for Iraq post-war.
The 30th Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It initially saw active service in Egypt in 1915, before transferring to Mesopotamia. It took part in a number of battles and actions before being besieged at Kut and going into Turkish captivity in April 1916.
The 53rd Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It took part in the Mesopotamian campaign and formed part of the occupation force for Iraq post-war.
The 55th Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It took part in the Mesopotamian campaign and formed part of the occupation force for Iraq post-war.
The 50th Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It served in the Mesopotamian Campaign on the Euphrates Front throughout its existence. It was not reformed for the Second World War.
The 42nd Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It served in the Mesopotamian Campaign on the Euphrates Front throughout its existence. It was not reformed for the Second World War.
The 41st Indian Brigade was an infantry brigade of the British Indian Army that saw service with the Indian Army during the First World War. It served in the Mesopotamian Campaign on the Euphrates Front throughout its existence. It was not reformed for the Second World War.
The 35th Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It took part in the Mesopotamian campaign and was disbanded shortly after the end of the war. It was not reformed for the Second World War.
The 56th Indian Brigade was an infantry brigade of the British Indian Army that saw active service with the Indian Army during the First World War. It took part in the Mesopotamian campaign and was disbanded shortly after the end of the war. It was not reformed for the Second World War.
The 57th Indian Brigade was an infantry brigade of the British Indian Army that was active in the Indian Army during the First World War and took part in the Third Anglo-Afghan War in 1919. It was not reformed for the Second World War.
The 10th Indian Cavalry Brigade was a cavalry brigade of the British Indian Army that formed part of the Indian Army during the First World War. It remained in India throughout the war.
The 4th (Secunderabad) Cavalry Brigade was a cavalry brigade of the British Indian Army that formed part of the Indian Army during the First World War. It was formed as Secunderabad Cavalry Brigade in February 1915 to replace the original brigade that had been mobilized as the 9th (Secunderabad) Cavalry Brigade for service on the Western Front. It remained in India throughout the war.
British India 
British Indian Army