The 4th Indian Infantry Division, also known as the Red Eagle Division, is an infantry division of the Indian Army. This division of the British Indian Army was formed in Egypt in 1939 during the Second World War. During the Second World War, it took part in campaigns in East Africa, Syria, North Africa and Italy. Post independence, the division is part of the I Corps and headquartered at Prayagraj.
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 2nd Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. It was formed in Rawalpindi in September 1939. In October 1940, it was renamed 16th (Independent) Indian Infantry Brigade in November 1941, and left India for Burma. The brigade was caught in the Battle of Sittang Bridge where it suffered heavy losses. Instead of being reformed in September 1942, it was renamed yet again, this time to 116th Indian Infantry Brigade. Attached to the 39th Indian Infantry Division it now provided specialised jungle conversion training. An infantry battalion would spend from four to six months with the brigade, before being sent to the front to replace a tired battalion in one of the fighting divisions.
The 5th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. It was converted from the 9th Indian Infantry Brigade in September 1939, and assigned to the 4th Indian Infantry Division. The brigade first moved to Egypt and took part in the early battles in North Africa. Then in 1941, it moved to the Sudan with the 5th Indian Infantry Division. Returning to 4th Indian Division command it took part in the Syria-Lebanon Campaign. The brigade then returned to North Africa coming under command of the 5th and 10th Indian Infantry Divisions, and the 50th (Northumbrian) Infantry Division and the 51st (Highland) Infantry Division in the Campaign in Tunisia. The brigade once more returned to the 4th Division for the Italian Campaign and the Greek Civil War.
The 6th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. The brigade was a pre-war formation designated 6th (Lucknow) Infantry Brigade in India in September 1939. In November 1940, the brigade arrived in Singapore and come under the command of the 11th Indian Infantry Division. On the 22 December 1941, the brigade was absorbed into the 15th Indian Infantry Brigade after being almost destroyed at the Battle of Gurun on 15 December 1941 soon after the Battle of Jitra. What remained of the brigade surrendered to the Japanese on 15 February 1942, after the Battle of Singapore.
The 9th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. Before the war the 9th (Jhansi) Infantry Brigade was a peacetime formation in Meerut district. This brigade was redesignated the 5th Indian Infantry Brigade and a new 9th Brigade was then formed all in September 1939. The new brigade was assigned to the 5th Indian Infantry Division in June 1940 to January 1944. It then spent February attached to the 7th Indian Infantry Division before returning to the 5th Division. The brigade spent two other short periods away from the 5th Division it was attached to the 17th Indian Infantry Division between March and April 1945 and was with the 19th Indian Infantry Division in April 1945, and returned to the 5th for the rest of the war.
The 33rd Indian Infantry Brigade was an infantry brigade of the British Indian Army that saw active service in the Indian Army during the Second World War, notably in the Burma Campaign.
The 89th Indian Infantry Brigade was an Infantry formation of the Indian Army during World War II. It was formed in October 1942, at Bhiar Kund in India. The brigade was assigned to the 7th Indian Infantry Division and fought in the Burma Campaign. Apart from between May and June 1944, when it was attached to the 5th Indian Infantry Division, the brigade remained with the 7th Division until the end of the war.
The 55th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. It was formed in India in April 1942 and assigned to the 7th Indian Infantry Division. In July to September 1942, it was attached to the North Western Army. Afterwards the brigade was assigned to the 14th Indian Infantry Division and took part in the Burma Campaign. Apart from a short period in May 1943, the brigade remained with the 14th Division until the end of the war and was 14th Division was allocated as a training division, the brigade was reorganised as a training brigade in June 1943.
The 63rd Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. It was formed in January 1942, at Jhansi in India and was assigned to the 23rd Indian Infantry Division and served in the Burma Campaign. In March 1942, it was reassigned to the 17th Indian Infantry Division with whom it remained for the rest of the war apart from in May 1942, when it was attached to the 39th Indian Infantry Division.
The 4th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. It was formed in September 1939, as the 7th Indian Infantry Brigade and renumbered 4th in June 1940, The brigade was assigned to HQ Rawalpindi District on formation. Then posted to the 26th Indian Infantry Division in April 1942. The brigade also served with the 14th Indian Infantry Division between March and April 1943, and them returned to the 26th Division, where it remained for the rest of the war apart from a short attachment with the 82nd Infantry Division in April 1945.
The 10th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. It was formed in September 1939. In June 1940 it was assigned to the 5th Indian Infantry Division and in September 1940, sailed for East Africa. The brigade spent time attached to other formations, the 4th Indian Infantry Division between June 1940 and March 1941, and the British 10th Armoured Division between March and June 1942, where it was destroyed during the Battle of Gazala. A new brigade was formed in Egypt and assigned to the 10th Indian Infantry Division, with which it fought in the Italian Campaign from April 1944 until the end of the war.
The 20th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II.
The 21st Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II.
The 25th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. It was formed in February, 1941 at Ahmednagar in India and assigned to the 10th Indian Infantry Division. The brigade was attached to the 8th Indian Infantry Division in August 1941, and took part in the Anglo-Soviet invasion of Iran. Returning to the 10th Indian Division in August 1941, they arrived in the desert just in time for the Battle of Gazala and continued to fight in the Western Desert Campaign and later in the Italian Campaign. While in Italy the brigade was attached to the British 46th Infantry Division from 7 to 11 December 1944.
The 14th Indian Infantry Brigade was an infantry brigade formation of the Indian Army during World War II. The brigade was formed at Attock, now in Pakistan, in October 1940, and assigned to the 7th Indian Infantry Division. In April 1942, the brigade was renumbered as the 114th Indian Infantry Brigade. The brigade fought in the Burma Campaign with the 7th Indian Division and later the 26th Indian Infantry Division.
The Landi Kotal Brigade was an infantry formation of the Indian Army during World War II. It was formed in 1920, for service on the North West Frontier. It was normal practice for newly formed battalions to be posted to the North West Frontier for service before being sent to Africa, Burma or Italy.
The Nowshera Brigade was an infantry brigade formation of the Indian Army during World War II. It was formed in September 1939, for service on the North West Frontier. It was normal practice for newly formed battalions to be posted to the North West Frontier for service before being sent to Africa, Burma or Italy.
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 Order of battle, Keren 1941 shows Italian army forces that participated in the Battle of Keren from February to March 1941 and British troops in Sudan on 20 January 1941, which participated in military operations against Eritrea during the East African Campaign 1940–1941.
British India 
British Indian Army