Complex sentence: The first Commanding Officer of the Battalion was Lt Colonel Ranjit Singh Chandel, formerly of the 1st Battalion the 4th Gorkha Rifles (1/4 GR), who assumed command of the Battalion on 1 February 1963.
Split into simpler sentences: The first Commanding Officer of the Battalion was Lt Colonel Ranjit Singh Chandel, formerly of the 1st Battalion the 4th Gorkha Rifles (1/4 GR). He assumed command of the Battalion on 1 February 1963.