Islamabad- World Bank has assured today to extend cooperation in the construction of Dasu Dam. The assurance was given by country Director of the Bank Richard Ben-messaoud while talking to Punjab Chief Minister Shahbaz Sharif. The project will be completed at the cost of four billion dollars. The bank also assured to extend cooperation in other projects, particularly those in the energy sector. Shahbaz Sharif appreciated the World Bank cooperation in Pakistan's energy, education, health, irrigation and other sectors.