I working in HR dept of a Limited Private company, Due to mental torture i have already submitted resignation on September 2012 but they didn\'t accept and as per their request i continued duty till November first week, after that again problem arise so i just walkout from the company by informing my head that i don\'t wish to continue my service. Now i sent again my resignation letter through mail then they are saying that as am a permanent employee so i have to give one month notice period.But i don\'t want to go back...Please advice what i have to do