Lahore, Oct.29 The United Nations commission, which is probing former Pakistan Prime Minister Benazir Bhutto' s assassination case, is finding it difficult to quiz former President General Pervez Musharraf.

According to a private television channel, the enquiry committee, despite several attempts, has failed to set-up a meeting with Musharraf.

The commission has now asked the Pakistan government to help it track down the former general, who is currently on a lecture tour of the US, and organise a talk with him, The Daily Times reports.

The commission, which will go by its own mandate, is known to believe that its work will be incomplete without interviewing a principal, important and perhaps the most authoritative personality in Pakistan when the tragic and bloody killing of Benazir took place.

The commission, headed by Chile's Permanent Representative to the UN and former Chilean Deputy Foreign Minister, Ambassador Heraldo Munoz, is known to be quite determined about conducting the inquiry in a credible manner.

The other two members of the commission are: Marzuki Darusman, a former attorney general of Indonesia and Peter Fitzgerald, a veteran of the Irish National Police.

Interviewing Musharraf, observers believe, should not be a problem since the mandate of the commission does include interviews with key players of the Musharraf era, however, it has, so far, failed to interrogate the former President.

The commission, which commenced its six-month mandate on July 1, 2009, visited Pakistan in mid July.

The commission will submit a report to the UN secretary-general within six months of its actual starting of work. (ANI)