Complex sentence: He became an Instructor at the Army School of Education in India in 1925 and an Instructor at the Indian Military Academy in 1932 and was appointed commanding officer of 1st Battalion 11th Sikh Regiment in 1937.
Split into simpler sentences: He became an Instructor at the Army School of Education in India in 1925 and an Instructor at the Indian Military Academy in 1932. He was appointed commanding officer of 1st Battalion 11th Sikh Regiment in 1937.