Tube Investments of India Limited | 64,624 followers on LinkedIn. Tube Investments of India Ltd. (TII ) is a leading engineering company and part of the Murugappa Group. The Group has 9 listed companies: Carborundum Universal Limited, CG Power & Industrial Solutions Limited, Cholamandalam Financial Holdings Limited, Cholamandalam Investment & Finance Company Limited, Coromandel International Limited, E.I.D.