Good Views. Is Sen a politician or Journalist assigned as India's Envoy to USA? Or is he an IFS (Govt Servant). If he is an IFS, disciplinary action may be taken by Govt under Govt Servant's conduct rules. The minimum is for the employee to call for his explanation and warn him. A more severe form of disciplinary acton is to charge sheet him and "censure" him which is the least formal punishment under the rules. If censured, his IFS career will be ruined, as his juniors could supercede him in service posts.
Apart from Govt taking action, Parliament can take action (if it is proved that the remarks were aimed at Parliamentarians and not journalists) by summoning him, hearing him and giving him one of the punishments which they are empowered to impose. But reading of Sen's remarks does not look that he referred to the members of parliament, but it looks that he was referring to journalists dishing for news items by running here and there. As there was no reference to MP's, they could have just ignored it and left the jounalists to face the brunt of the insulting remarks.
