CSS is a highest Competitive Exam in the Pakistan and considered most difficult exam who those cleared CSS are offered Jobs in different Occupational Groups some of them are Public Administration Group (PAS), Customs, Police, Inland Revenue, Information, Foreign Office, Railway and Post Office . More the marks you secure you will be placed in top level Group . Federal Public Service Commission is given responsibility for conducting CSS exam each year. FPSC conduct CSS Exam from 15th February in more than 19 test centers across Pakistan. CSS stands for Central Superior Services. Advertisement for CSS issued by FPSC in May and applications are invited from the candidates in October each Year.