Complex sentence: Baba Kalyani joined Bharat Forge in 1972 when the company's annual turnover was about US $1.3 million; it then became a global company with 11 manufacturing facilities spread across India, USA, Germany, Sweden, and China.
Split into simpler sentences: Baba Kalyani joined Bharat Forge in 1972 when the company's annual turnover was about US $1.3 million. Under his leadership, Bharat Forge has transformed into a global company with 11 manufacturing facilities spread across India, USA, Germany, Sweden, and China.