Megaprojects are characterized by size, duration, uncertainty, ambiguity, complex interfaces, integration, significant political and external influences. Besides that chrematistics, their complexity had delivered through several of partnerships between public and private organizations. McKinsey & Company, an American worldwide management consulting firm estimates that the world needs to spend about $57 trillion on infrastructure by 2030 to enable the anticipated levels of GDP growth globally. Of that, about two-thirds will be required in developing markets, where there are rising middle classes, population growth, urbanization, and increased economic growth. On the other hand, the global economy is expected to grow 3.9% in 2019. Bangladesh is also giving special focus on mega development projects as our government budgeted BDT 2027.21 billion for ADP in FY19 which is 21.39% higher than the revised ADP of last fiscal year and the highest ever allocation for the country’s annual development.