The World Bank has revealed that the road construction cost in Bangladesh is higher than any other country of the world. On June 21, the international lending agency disclosed this, presenting a list of infrastructure cost, especially in road construction that shows the cost of per kilometer high road construction is USD2.5 million to USD11.9 million in Bangladesh, which is the highest in the world. It shows the cost of per kilome - ter road construction is between USD35,900 and USD45,600 in India, USD63,100 in Nepal, USD59,500 in Thailand, USD40,700 in Bulgaria,USD55,200 in Brazil, USD 60,800 in the Philippines, USD73,000 in Nigeria and USD85,400 in Vietnam. The calculation was made on the basis of the cost between 2005 and 2007. World Bank lead economist in Bangladesh Zahid Hussain said there might be some reasons like terrain of lands and some others aspects for differences between the costs in different countries. But the major reason of such highest cost in Bangladesh is corruption. "Due to limited competition of tender for award of works creates scope of corruption, which ultimately pushes up the cost," he said.