Complex sentence: It is in this context that I.R. Battalions were raised in Assam with the assistance of Central Goverment.The Central Government however reserves the first right to call on these Battalions as and when required for deployment outside the state.
Split into simpler sentences: It is in this context that I.R. Battalions were raised in Assam with the assistance of the central government. The central government however reserves the first right to call on these battalions as and when required for deployment outside the state.