Pakistan is in favour of the war on terror but it is unjustified for the US to expect miracles from a four-month-old government, he said.
Zardari also condemned the infiltration into Pakistani territory by the US-led coalition forces in Afghanistan.
The PPP chief's comments came in the backdrop of reports that the US is considering the option of unilateral military action in Pakistan's semi-autonomous tribal areas, which have been described by American and Afghan officials as a safe haven for Taliban and al-Qaeda elements.
Admiral Mike Mullen, chairman of the US Joint Chiefs of Staff, asked top Pakistani military officials to "act decisively" against Taliban and al-Qaeda militants in the tribal areas during an unscheduled visit to Islamabad on Saturday.
While speaking to a TV channel, Zardari said Prime Minister Yousuf Raza Gilani would take up the issue of infiltration into Pakistani territory by the US-led coalition forces with President George W Bush during their upcoming meeting later this month.
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Zardari pointed out that Pakistan was against extremism and terrorism as it had lost one of its greatest leaders, former PPP chairperson Benazir Bhutto, to the twin menaces.