Congress leader Digvijaya Singh on Saturday urged President Pranab Mukherjee to dismiss Tripura Governor Tathagata Roy for spreading "communal hatred"."I strongly condemn Tripura Governor Tathagatha Roy's statement against those who attended Yakub Memon as potential terrorists," the Congress leader wrote on his Twitter handle."Urge Hon President to dismiss him. (An) FIR should be filed against him for spreading communal hatred," he said.Hours after 1993 Mumbai serial blasts convict Memon was hanged in Maharashtra on Thursday, Roy tweeted: "Intelligence officials should keep a tab on all (except relatives and close friends) who assembled before Yakub Memon's corpse. Many are potential terrorists.""...Intelligence keeping tab on Yakub's mourners is preventing terror. Better than cure," he wrote.