ISLAMABAD (Agencies) - President Asif Ali Zardari has underlined the need for clear terms of engagement that should be agreed upon before hand between Pakistan and the US in war against militants so that conflicting positions and unilateral actions did not adversely impact on the bilateral ties between the two countries. The President said this during his meeting with US Special Representative for Pakistan and Afghanistan, Ambassador Marc Grossman, who called on him here at the Aiwan-e-Sadr on Monday. Ambassador Grossman was accompanied by Ambassador Cameron Munter, Ambassador Ryan C Crocker, Rear Admiral Philip Davidson and other senior officials. Minister for Foreign Affairs Ms. Hina Rabbani Khar, Minister for Finance Senator Dr. Abdul Hafeez Shaikh, Minister for Interior Senator Rehman Malik, Secretary General to the President Salman Farooqui, Senator Syeda Sughra Imam, Foreign Secretary Salman Bashir and spokesperson to the President Farhatullah Babar also attended the meeting. Briefing the media, spokesperson to the President Farhatullah Babar said that Pak-US bilateral relations, war against terrorism and regional situation with special reference to Afghanistan was discussed during the meeting. Babar said that discussing the war against militants, President Zardari said that in the absence of well-defined and documented terms of engagements, wrong plugs may be pulled at the wrong times by any side that could undermine the bilateral relations. The President said that terms of engagement should be clearly defined and specified so that any dispute could be settled amicably through the available institutions, Babar said. He further said that the President also emphasised that a long-term, sustainable and multi-dimensional relationship with the US should be based on mutual interest, trust and mutual respect. Discussing the war against terror, the President also underlined Pakistans resolve to continue its struggle till its logical end saying that it was in our own interest to fight militancy and to rid our land of the extremists and militants, he said. Zardari said that Pakistan has rendered unparalleled sacrifices in this struggle and was determined to continue this fight till its logical conclusion. The President said that a peaceful and stable Afghanistan was in the interest of peace and stability in Pakistan, Babar added. Therefore, he said, Pakistan would assist in all efforts intended to bring peace, stability and development of Afghanistan. 'Socio-economic development alongwith due emphasis on capacity building of Afghan institution would help bring durable peace and stability in Afghanistan, he added. The President also reiterated his call to the international community to take effective steps to end all avenues of funding for the militants and their activities. Discussing mutual relationships and the current regional developments, the President underlined the need for mutual trust and to work more closely in finding solutions to the prevailing challenges. Ambassador Grossman thanked the President for the meeting and said that US was open to the suggestion put forth by the President. Meanwhile, The tripartite talks among Pakistan, Afghanistan and the US would be held on Tuesday (today) in Islamabad. US will be represented by President Obamas Special Representative for Pakistan and Afghanistan Mark Grossman, while Foreign Secretary Salman Bashir will represent Pakistan and Afghan deputy foreign minister will participate on behalf of his country. The issues pertaining to US troops pullout from Afghanistan and dialogue with the Taliban will be discussed during the tripartite talks, sources said. The militant attacks from across the border in Pakistani areas will also come under discussion during the talks. Mark Grossman would also meet Pakistans political and military leadership, including prime minister and the chief of army staff.