<Li> East Bengal, c. 1947 - c. 1955 CE <Ul> <Li> Bengali Language Movement </Li> </Ul> </Li> <Ul> <Li> Bengali Language Movement </Li> </Ul> <Li> Bengali Language Movement </Li> <Li> East Pakistan, c. 1955 - c. 1971 CE <Ul> <Li> Six Point Movement </Li> <Li> 1969 uprising in East Pakistan </Li> <Li> Pakistani general election, 1970 </Li> </Ul> </Li>

Who was hitting the indian army during bangladesh liberation war