Chittagong Survey Limited (CSL) is based on the concept of social business, a business concept defined by Nobel Peace Prize Laureate Professor Dr. Muhammad Yunus, designed to solve social problems. Chittagong Survey Limited is a specialized survey and research based company that aims to provide the most authentic data to its stakeholders and help them in making the right decision in their businesses. The purpose of establishing this business is that there is no such authentic source of data in Chittagong region. CSL has a team of highly experienced and qualified human resources through which it ensures the reliability of a data.