LAHORE - Secretary Election Commission of Pakistan, Kanwar Muhammad Dilshad has said that nomination papers for Senate election accepted by the returning officers could not be challenged in any court of law under the existing rules. Addressing a news conference here on Sunday, he said while no appeals against acceptance of nomination papers will be entertained, candidates will have the right to file appeals against rejection of their papers by the returning officers. Kanwar said commission will issue gazette notification of successful candidates of March 4 Senate election on March 5, while unofficial results will be declared the same day. Giving details of forthcoming Senate polls, he said that candidates will file nomination papers from February 11 to February 13, and scrutiny will be done between February 14 and 15. He said February 21 has been fixed as the last date for withdrawal of nomination papers, while final list of candidates will be displayed on February 22. Replying to a question, the secretary EC said that commission may consider ban on carrying cellphones by the voters at the time of voting during coming Senate election. A reporter had drawn his attention towards misuse of cellphone by certain voters during last Senate polls, who were seen making videos of their ballot papers. Responding to another question, Dilshad said by-election for local bodies would be held after the Senate polls. The election commission, he said, was contemplating to introduce electoral reforms, for which, electoral systems of many countries were being studied. He also cited his recent visit to Bangladesh he undertook for the purpose. He told reporters that in Punjab a candidate will have to secure 47 votes to get elected as Senator while he will have to obtain 22, 16 and 9 votes from Sindh, NWFP and Balochistan respectively for his success.