Union Minister for Communications and IT Dayanidhi Maran, who resigned from the Union cabinet on Sunday, today said that he was saddened by accusations of anti-party activities on him. After a crucial DMK meeting on Sunday, the party's Administrative Committee had decided to issue a showcause notice to Maran.The reasons being attributed to Maran's fallout with the DMK are his absence from the formal function to celebrate 50 years of Karunanidhi as an MLA.