Complex sentence: Jagmal Raja Chauhan, who was among top industrialists in Bombay and had relations with Tata, Birla, Wadia, Bajaj, Walchand came to know that Lala Mukandlal of Lahore was willing to sale Mukand Iron & Steel.
Split into simpler sentences: Jagmal Raja Chauhan, who was among top industrialists in Bombay and had relations with Tatas, Birlas, Wadias, Bajaj, Walchand. He came to know that Lala Mukandlal of Lahore was willing to sale Mukand Iron & Steel.