later split into two parts Jammu Division (under Maj Gen Atma Singh) and Srinagar Division (under Maj Gen K.S. Thimayya) to oversee operations in Jammu and Kashmir respectively. The II Corps (Ambala), IX Corps (Yol), XI Corps (Jalandhar) and 40th Artillery Division (Ambala) are control operational units in Western Command. Structure Command's Area Of Responsibility (AOR) covers the states of Punjab, Haryana, Delhi and parts of Jammu. The Western Command has been assigned operational units:- II Corps, IX Corps, XI Corps and 40th Artillery Division. The command in total has following units under its belt :- 6 infantry divisions, 1 armoured division, 1 artillery division, 1 Reorganised Army Plains Infantry Division (RAPID), 3 armoured brigade, 1 mechanized brigade, 1 Air-defence brigade, and 1 engineering brigade. Precursors (1855–1947) Following is the list of precursors to the Western Command and their commanders: Bombay Army (1855–1895) Bombay Command (1895–1904) Western Command (1904–1908) Western Command (1920–1938) Western Independent District (1938–1942) North-Western Army (1942–1945) Delhi and East Punjab Command (1947–1948) List of GOC-in-C of Western Command (1948–present) Notes Further reading Richard A. Renaldi and Ravi Rikhye, 'Indian Army Order of Battle,' Orbat.com for Tiger Lily Books: A division of General Data LLC, , 2011. Commands of the Indian Army Military units and formations established in 1947 1947 establishments in India