The Pakistani Army chief General Ashfaq Parvez Kayani has arrived here to discuss the proposed comprehensive review of the American policy for Pakistan and Afghanistan. This is Kayani's first visit to the US after becoming army chief in November 2007. During his week-long tour beginning today, Kayani will have series of meetings with his US counterpart and top officials of Obama administration, on issues which would dominate around the fight against Taliban terrorists in Pakistan's restive tribal areas bordering Afghanistan. Gen Kayani is expected to call on Admiral Mike Mullen, Chairman of the Joint Chief of Staff; Gen David Petraeus, Commander of the US Central Command, besides meeting the Secretary of Defense Robert Gates.