Senior Congress leader Mallikarjun Kharge today said that his party will continue to protest, both inside and outside Parliament, to seek resignation of External Affairs Minister Sushma Swaraj on Lalit Modi issue. <br/><br/>He told reporters outside Parliament that her resignation is a must if the government wants Parliament to function. When asked about Lok Sabha Speaker Sumitra Mahajan's warning of disciplinary action against opposition members for their unruly behaviour, he said it is Chair's duty to ensure normalcy. But, Congress will continue with its protests.