 After that, in 1999 he took the position of Executive Chairman of Bangkok Bank.He returned to politics again in the government of General Surayud Chulanont, taking the position of Deputy Prime Minister And the Minister of Industry and was appointed as Acting Minister of Information and Communication Technology (ICT) in place of Sittichai Phokayudom, who resigned from the case of holding more than 5% of the shares since 30 September 2007.Kosit was appointed as a senator in 1996.