The Election Commission has issued a letter to Congress president Mallikarjun Kharge to provide clarification and take rectification measures in respect of a tweet by Congress party's official handle attributed to Congress parliamentary party chairperson Sonia Gandhi.<br />''<br />''Congress had tweeted that Sonia Gandhi has sent a strong message that the Congress will not allow anyone to pose a threat to Karnataka's reputation, sovereignty or integrity.<br />''<br />''The Commission received a complaint regarding this yesterday submitted by BJP leaders Bhupender Yadav, Dr. Jitendra Singh, Tarun Chugh, Anil Baluni and Om Pathak.<br />''<br />''BJP had approached the EC over Ms. Gandhi's Karnataka sovereignty remark and demanded action on the matter.