Parliamentary Affairs Minister Venkaiah Naidu has asked the Congress to clarify its stand on Ishrat Jehan and Parliament attack convict Afzal Guru. Talking to media outside Parliament today, Mr Naidu said the opposition party needs to come clean on how it looked at both the cases.<br/><br/> Reacting to the remarks made by former Union Home Secretary G K Pillai regarding Ishrat Jehan case, Mr Naidu said, political interference in the case cannot be ruled out at that point of time.'G K Pillai said yesterday that the affidavit submitted to the Gujarat High Court in 2009 about LeT links of Ishrat Jahan and her accomplices was changed at the political level. Jehan was killed in an alleged fake encounter in 2004.