KATHMANDU, August 23: The government in 2009 announced that the 456-MW Upper Tamakoshi Hydropower Project would be constructed at a cheaper cost recorded till then. A meeting of the Board of Directors of the Upper Tamakoshi Hydropower Company Limited held on March 20, 2009 decided to move ahead with the project with a plan to complete it within five years at the cost of Rs 48 billion including interest.