This document provides the revised syllabus for the CSS Competitive Examination conducted by the FPSC in Pakistan in 2016. It includes 53 subjects that candidates can choose as optional subjects for the examination. The main examination is divided into compulsory and optional subjects. The compulsory subjects include English Essay, English Precis and Composition, General Science & Ability, Current Affairs, and Pakistan Affairs or Comparative Study of Major Religions. For the optional subjects, candidates must choose subjects from 7 groups, selecting either 1 or 2 subjects based on the group. The document provides the syllabus and suggested readings for each subject.