CSS is the highest Competitive Exam in Pakistan and considered the most difficult exam that 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 the 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 will be issued by FPSC in May and applications are invited from the candidates in the month of October each year.