Lieutenant General Jack Farj Rafael Jacob PVSM (2 May 1921 – 13 January 2016)[3] was a prominent Indian military officer."[4] Jacob graduated from the Officers' Training School (OTS) in Mhow in 1942, and received an emergency commission as a second lieutenant on 7 June.[1] He was initially posted to northern Iraq in anticipation of a possible German attempt to seize the oil fields of Kirkuk, and was promoted war-substantive lieutenant on 7 December.[5][6][1] In 1943, Jacob was transferred to an artillery brigade that was dispatched to Tunisia to reinforce the British Army against Field Marshal Erwin Rommel's Afrika Korps.[17] On 29 April 1969, he was appointed the chief of staff (COS) of the Eastern Command, by General Sam Manekshaw (later Field Marshal).[5] An initial plan, given to the Eastern Command by Manekshaw, involved an incursion into East Pakistan and the capture of the provinces of Chittagong and Khulna.[24] Senior Indian Army officers were reluctant to execute an aggressive invasion for fears of early ceasefire demands by the United Nations and a looming threat posed by China."[5][25] According to the website Bharat Rakshak, Jacob had repeatedly asserted that the Bangladesh war was only successful because of his own efforts rather than those of Field Marshal Manekshaw or the GOC-in-C of Eastern Command, Lieutenant General Aurora.[28] For his role in the war, Jacob was awarded the Param Vishisht Seva Medal (PVSM) for distinguished service of the most exceptional order.In the operations in the Eastern Theatre, leading to the liberation of BANGLADESH, the contribution of Major General JACK FREDERICK RALPH JACOB, has been pivotal and most valuable as Chief of Staff, Eastern Command he worked for long hours over an extended period without loss of efficiency and displayed a firm grip and outstanding organising ability.He was responsible for detailed planning and execution of administrative and logistic support and his handling of these difficult problems during operations was highly imaginative, thorough and efficient.He has displayed devotion to duty, unstinted loyalty and outstanding ability and has rendered distinguished service of the most exceptional order.On 17 June 1972, Jacob was promoted to the acting rank of lieutenant general and was appointed as the General Officer Commanding of XVI Corps (newly created),[30] with promotion to substantive lieutenant-general on 5 August 1973.During this period, he successfully setup the IT Park in Chandigarh and invited N. R. Narayana Murthy, Chairman of Infosys, to set up a development center there.[40]On 13 January 2016, at around 8.30 am local time, Jacob died at New Delhi's Army Research and Referral Hospital due to pneumonia.