Complex sentence: Following the partition of India in 1947 Basu made several trips to India, and in 1948, moved to Calcutta, where he worked for some time as an actuary in an insurance company.
Split into simpler sentences: Following the partition of India in 1947 Basu made several trips to India. In 1948, Basu moved to Calcutta, where he worked for some time as an actuary in an insurance company.