ISLAMABAD :  Federal Information and Broadcasting Minister Pervaiz Rashid has said that Prime Minister's Adviser on National Affairs Irfan Siddiqui was taking part in the dialogue process on his request. In an interview‚ he said he had requested Irfan Siddiqui to participate in dialogue process on behalf of the government. The federal minister said Irfan Siddiqui was a well-known analyst‚ columnist and intellectual.