Reiterating the BJP demand for resignation of Minister of State for External Affairs Shashi Tharoor for his alleged involvement in the IPL franchise controversy, the party today sought a response from the Prime Minister on the issue. <br/><br/>Talking to reporters outside Parliament, BJP spokesman Rajiv Pratap Rudy said that the case raises question on the sanctity of the whole process of the IPL bidding. <br/><br/>He said that the party will pursue the issue till the government gives a clarification.<br/>