Complex sentence: He was also heavily involved in the real estate business in Mumbai, and he contributed to building new wings and upgrading several hospitals in Bombay founded by his family, he established a business school in Pune and a host of charitable trusts for Parsees.
Split into simpler sentences: He was also heavily involved in the real estate business in Mumbai, and he contributed to building new wings and upgrading several hospitals in Bombay founded by his family. He established a business school in Pune and a host of charitable trusts for Parsees.