The 6th Queen Elizabeth's Own Gurkha Rifles was a rifle regiment of the British Indian Army, before being transferred to the British Army following India's independence. Originally raised in 1817 as part of the army of the British East India Company, the regiment has been known by a number of names throughout its history. Initially the unit did not recruit from the Gurkhas, although after being transferred to the British Indian Army following the Indian Rebellion of 1857, it became a purely Gurkha regiment, in due course with its regimental headquarters at Abbottabad in the North West Frontier Province of British India. After 1947 the regiment was one of only four Gurkha regiments to be transferred to the British Army and this continued up until 1994, when it was amalgamated with other Gurkha regiments to form the Royal Gurkha Rifles. Over the course of its 177-year history, the regiment was awarded 25 battle honours, although prior to World War I it had only been awarded one and no battle honours were awarded to it after World War II.
The 10th Indian Division was an infantry division of the British Indian Army during World War I. It was formed in Egypt in December 1914 with three infantry brigades of Indian Expeditionary Force F. After taking part in the Actions on the Suez Canal, the division was dispersed as its brigades were posted away.
The 7th (Meerut) Division was an infantry division of the Indian Army and before 1895, the Bengal Army, that saw active service during World War I.
The 3rd (Lahore) Division was an infantry division of the Indian Army and before 1895, the Bengal Army, first organised in 1852. It saw service during World War I as part of the Indian Corps in France before being moved to the Middle East where it fought against troops of the Ottoman Empire.
The 8th (Lucknow) Division was a formation of the British Indian Army's Northern Army that was first formed as a result of the Kitchener reforms of the Indian Army in 1903. The Division remained in India on internal security duties during World War I, though the 8th (Lucknow) Cavalry Brigade was transferred to the 1st Indian Cavalry Division and served in France on the Western Front, and the 22nd Lucknow Infantry Brigade served as part of the 11th Indian Division in Egypt.
The Imperial Service Infantry Brigade was an infantry brigade of the British Indian Army that saw active service in the East African Campaign in the First 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 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 Sialkot 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 2nd (Sialkot) Cavalry Brigade at the outbreak of the First World War as part of the 1st Indian Cavalry Division and departed for France. It served on the Western Front with the division until it was broken up in March 1918.
The Ambala Brigade was an infantry brigade of the British Indian Army that formed part of the Indian Army during the First World War. It was formed in November 1914 to replace the original Ambala Brigade that had been mobilized as the 3rd (Ambala) Cavalry Brigade for service on the Western Front. It remained in India throughout the 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 Bangalore Brigade was an infantry brigade of the British Indian Army formed in 1904 as a result of the Kitchener Reforms. It was mobilized as 27th (Bangalore) Brigade at the outbreak of the First World War. As part of Indian Expeditionary Force B, it was sent to assault Tanga in German East Africa. With the failure of the Battle of Tanga, its units joined the defences of British East Africa and it was broken up.
The 43rd Indian Brigade was an infantry brigade of the British Indian Army that formed part of the Indian Army during the First World War. It was formed in March 1917 as part of the 16th Indian Division for service on the North West Frontier. It remained in India throughout the First World War but saw active service in the Third Anglo-Afghan War. Post-war, it was designated as 21st Indian Infantry Brigade in September 1920 and took over responsibility for the Jubbulpore Brigade Area in 1923.
The Garhwal Brigade was an infantry brigade of the British Indian Army that formed part of the Indian Army during the First World War. It was formed in April 1917 to replace the original Garhwal Brigade that had been mobilized in August 1914 as the 20th (Garhwal) Brigade for service on the Western Front. It remained in India throughout the war.
The 3rd Lahore Divisional Area was an infantry division of the British Indian Army that formed part of the Indian Army during the First World War. It was formed in September 1914 to replace the original 3rd (Lahore) Division that had been mobilized in August 1914 for service on the Western Front. It was abolished in May 1917 when its remaining responsibilities were passed on to the 16th Indian Division.
The 71st Punjabis was an infantry regiment of the British Indian Army that formed part of the Indian Army during the First World War. Raised in July 1917, it was later absorbed into the 111th Mahars in 1919.
The Kent Cyclist Battalion was a bicycle infantry battalion of the Territorial Force, part of the British Army. Formed in 1908, it was sent to India in the First World War and saw active service during the Third Anglo-Afghan War in 1919. In 1920, it was converted as part of the Royal Artillery.
The 150th Infantry was an infantry regiment of the British Indian Army. It was formed in Mesopotamia in May 1918, saw service in the First World War and the Third Anglo-Afghan War, and was disbanded in June 1921.
The 151st Sikh Infantry – also designated 151st Punjabi Rifles, see nomenclature (below) – was an infantry 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 May 1921.
British India 
British Indian Army