<P> The Presidency armies were abolished with effect from 1 April 1895 when the three Presidency armies became the Indian Army . The Indian Army was divided into four Commands (Bengal Command, Bombay Command, Madras Command and Punjab Command) each under a lieutenant general . </P> <P> In 1908, the four commands were merged into two Armies (Northern Army and Southern Army): this system persisted until 1920 when the arrangement reverted to four commands again (Eastern Command, Northern Command, Southern Command and Western Command). </P> <P> Prior to 1 May 1963 Lucknow was the headquarters of the Eastern Command; when Central Command was re-established on that date, due to the Chinese aggression of 1962, Lucknow became HQ of Central Command instead . </P> <Ul> <Li> 23rd Infantry Division--Ranchi </Li> <Li> III Corps--Dimapur, Nagaland <Ul> <Li> 2nd Mountain Division--Dibrugarh </Li> <Li> 57th Mountain Division--Leimakhong </Li> <Li> 56th Mountain Division--Zakhama </Li> </Ul> </Li> <Li> IV Corps--Tezpur, Assam <Ul> <Li> 71st Mountain Division--Missamari </Li> <Li> 5th Mountain Division--Bomdila </Li> <Li> 21st Mountain Division--Rangia </Li> </Ul> </Li> <Li> XXXIII Corps--Siliguri, West Bengal <Ul> <Li> 17th Mountain Division--Gangtok </Li> <Li> 20th Mountain Division--Binnaguri </Li> <Li> 27th Mountain Division--Kalimpong </Li> </Ul> </Li> <Li> XVII Corps * *--Panagarh, West Bengal <Ul> <Li> 59th Infantry Division--Panagarh </Li> <Li> 72 Infantry Division * *--Pathankot </Li> </Ul> </Li> </Ul>

Hq eastern command fort william kolkata official website