Breaking News About 38th BCS Preliminary Exam. 38th BCS preli circular date will be published soon. Bangladesh Civil Service (BCS) examination process has taken initiatives to restructure the Public Service Commission (PSC). PSC can reduce the number of written tests, test methods, quality improvement, planning has been undertaken to modernize the syllabus. In addition to the English version of the question in the future is going to enact a constitutional institution. 38th BCS preliminary test has plans to introduce the dual examination system.