The former Puducherry Chief Minister and Senior Congress Leader Mr N. Rangaswamy today submitted his resignation from the Legislative Assembly. He handed over the resignation letter to the Assembly secretary Mr Sivaprakasam on Thursday morning. Mr Rangaswamy parried questions from reporters on his future course of action and said he will announce it later. AIR correspondent reports that Rangaswamy had resigned as chief minister in 2008 after differences with his cabinet colleagues. He had been distancing himself from party activities after his resignation.