20th Indian Infantry Brigade

The 20th Indian Infantry Brigade was a former infantry formation that remained in active service from 1939 to 1943. It served under the British Empire in India during the First World War and the Second World War. The infantry force of the British Indian Army was raised in September 1940. It was initially attached to the 9th Indian Infantry Division. Later the 20th Indian Infantry Brigade was assigned to the 10th Indian Infantry Division in April 1941.

The troops provided significant military service in several British battles and conquests, such as, the Anglo-Soviet invasion of Iran, the Syria Lebanon Campaign (Operation Exporter) and the Anglo-Iraqi War.

Later in June 1942, the 20th Indian Infantry Brigade was stationed in Egypt and was destroyed on 18 June 1942 at Gambut. However, it was regenerated in the Nile Delta and was allotted to the 10th Indian Infantry Division. It fought in the Western Desert Campaign of the North African Campaign during the Second World War. The troops then took part in the Italian Campaign and served in Italy till the culmination of the War.

Formation of 20th Indian Infantry Brigade
The 20th Indian Infantry Brigade consisted several infantry regiments during the First World War I. These are mentioned as follows-
* Patiala Imperial Service Infantry
* Alwar Imperial Service Infantry
* 110th Mahratta Light Infantry
* Gwalior Imperial Service Infantry

The infantry formation was re-structured during the Second World War and included the following regiments-
* 2/7th Gurkha Rifles (September 1940 - July 1941; September 1941 - April 1942)
* 3/11th Sikh Regiment (September 1940 - June 1941)
* 2/8th Gurkha Rifles (October 1940 - January 1942; October - November 1944)
* 1st King`s Own Royal Regiment (June 1941)
* 2/4th Gurkha Rifles (June 1941)
* 3rd Field Regiment, Royal Artillery (June 1941 - September 1941)
* 5/13th Frontier Force Rifles (June 1941 - July 1941)
* 3/11th Sikh Regiment (August 1941 - March 1942)
* 1st South Wales Borderers (December 1941 - August 1942)
* 3/18th Royal Garhwal Rifles (March 1942 - July 1942)
* 1/6th Rajputana Rifles (April 1942 - June 1942)
* 2/11th Sikh Regiment (August 1942 - October 1943)
* 2/3rd Gurkha Rifles (January 1943 - August 1945)
* 4/13th Frontier Force Rifles (February 1943 - June 1943)
* Mewar Bhopal Infantry (June 1943)
* 3/5th Mahratta Light Infantry (June 1943 - August 1945)
* 8th Manchester Regiment (July 1943 - September 1944)
* 1st Royal Northumberland Fusiliers (October 1943 - November 1943)
* 1/2nd Punjab Regiment (October 1944 - May 1945)
* Nabha Akal Infantry (October 1944 - August 1945)
* 2nd Loyal Regiment (May 1945 - August 1945)