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.