the enforcement directorate (ed) on wednesday arrested tamil nadu minister and dmk leader v senthil balaji under the prevention of money laundering act (pmla) in connection with an alleged cash for jobs scam in the state transport department, an action that triggered a political slugfest. the case against 47-year-old balaji, who is the first member of the m k stalin cabinet to be arrested by a law enforcement agency, and his aides relates to his tenure as the state transport minister in the aiadmk governmen