Karam Chand Thapar (1900–1962) was the founder of the Thapar Group of companies. He was originally from Punjab. He started his career in 1920 as a coal trader in Calcutta, and built up the family fortune through Karam Chand Thapar and Bros. He then started JCT Limited which is into textiles as well as molasses and alcohol. He also took over the Oriental Bank of Commerce, and ventured into paper manufacturing with the Ballarpur Industries Limited.