The 46th Indian Infantry Brigade was an Infantry formation of the Indian Army during World War II. The brigade was formed in June 1941, at Ahmednagar in India and assigned to the 17th Indian Infantry Division. In February 1942, during the Japanese conquest of Burma the Brigade suffered heavy casualties during the retreat to the Sittang River

Sittang River

The Sittaung is a river in south central Myanmar in Bago Division. The Pegu Range separates its basin from that of the Irrawaddy. The river originates at the edge of the Shan Plateau southeast of Mandalay, and flows southward to the Gulf of Martaban...

 and was dispersed into small groups after the Battle of Sittang Bridge

Battle of Sittang Bridge

The Battle of Sittang Bridge was part of the Burma campaign in World War II. Fought between 19 February and 23 February 1942, the battle was a decisive victory for Japan, with heavy losses for the British Indian Army, which was forced to retreat in disarray...

. The Brigade was never reformed and officially disbanded 25 February 1942.

Formation

• 3/7th Gurkha Rifles
• 7/10th Baluch Regiment
  10th Baluch Regiment
  The 10th Baluch or Baluch Regiment was a regiment of the British Indian Army from 1922 to 1947. After the Partition of India, it was transferred to the Pakistan Army. In 1956, it was amalgamated with the 8th Punjab and Bahawalpur Regiments...
  
  
• 5/17th Dogra Regiment
  17th Dogra Regiment
  The 17th Dogra Regiment was an infantry regiment of the British Indian Army. It was formed in 1922, after the Indian government decided to reform the army moving away from single battalion regiments to multi battalion regiments...
  
  

Also attached In February 1942

• 4th Burma Rifles
  Burma Rifles
  The Burma Rifles were a regiment of the British Indian Army created in 1917. The regiment re-used the name of an unrelated earlier unit, the 10th Regiment Madras Infantry, which evolved into the 10th Princess Mary's Own Gurkha Rifles....
  
  
• 2nd The King's Own Yorkshire Light Infantry
• 2nd The Duke of Wellington's Regiment
  The Duke of Wellington's Regiment
  The Duke of Wellington's Regiment was an infantry regiment of the British Army, forming part of the King's Division.In 1702 Colonel George Hastings, 8th Earl of Huntingdon, was authorised to raise a new regiment, which he did in and around the city of Gloucester. As was the custom in those days...