Complex sentence: He abdicated the throne in favour of his son Chit Sai (1748--52) in 1748 and was then driven out to Cachar by his brother Bharat Sai in 1752.
Split into simpler sentences: He abdicated the throne in favour of his son Chit Sai (1748--52) in 1748. He was driven out to Cachar by his brother Bharat Sai in 1752.