Complex sentence: Greaves Cotton was eventually purchased by Lala Karam Chand Thapar of Thapar Group in 1947 and was converted into a public limited company in 1950.
Split into simpler sentences: Greaves Cotton was purchased by Lala Karam Chand Thapar of the Thapar Group in 1947. It was converted into a public limited company in 1950.