Aug 6 (Reuters) - U.S. private equity Carlyle Group on Friday made an increased takeover offer of 155 pence per share for Vectura, outbidding Tobacco group Philip Morris International’s offer agreed to by the British company last month. (Reporting by Pushkala Aripaka in Bengaluru; Editing by Arun Koyyur) Our Standards: The Thomson Reuters Trust Principles.