The ceremony was scheduled to be held on Monday, but President Alvi had refused to administer the oath to the lawmakers, compelling the government to postpone it.
Pakistan on Monday called for the "amicable resolution" of all issues with India as their defence secretaries began talks to ease the military standoff on Siachen against the backdrop of calls to demilitarise the world's highest battlefield.
Pakistan's new Prime Minister Raja Pervez Ashraf retained most key members of former premier Yousuf Raza Gilani's cabinet in the same positions as he allocated portfolios among his council of ministers.
Iran and Pakistan have signed a deal in Turkey paving the way for constructing the much- delayed natural gas pipeline that was originally envisaged to extend up to India.
India and Pakistan must reform their institutions of governance to accelerate economic growth on a sustained basis for poverty reduction, lawmakers and experts from both the countries attending a meeting in Dubai said notwithstanding the chill in bilateral ties.
Abbasi will be sworn-in in later at a special ceremony at the President's House.
A summary of sports events and persons who made news on Saturday.