The 2nd Division was created for deception purposes in order to control Line of Communications and Sub-area formations within Persia and Iraq Command.

[2] 31 Indian Infantry Brigade was formed on 15 January 1943, from the Mosul-Teheran Lines of Communications Sub-Area.

On 1 June 1943, 31 Indian Infantry Brigade was reformed from HQ Kermanshah LOC Sub-Area.

This time, the division lasted fourteen months before being finally disbanded in October 1944 by conversion into Headquarters Northern Iraq Area.

In October 1944, when 2 Indian Division disbanded, the brigade was re-designated again as an lines of communication headquarters, this time as HQ South Iraq Area.

2 Infantry Division was re-raised in the Digboi-Tinsukia area in October 1962 during the Sino-Indian War, following the fall of Tawang.

[5][6] Major General MS Pathania arrived at Walong on 26 October 1962 and took command of the newly raised division.

The Chinese carried out preparatory operations between 21 and 30 October to secure positions along the border before the main attack.

[11] 2 Mountain Division was part of IV Corps and was commanded by Major General Gandharv Singh Nagra.