Staff Selection Commission (SSC) organizes a number of examination for eligible and potential candidates at a national level every year. SSC ChSL is conducted for the recruitment of posts like data Entry operators (DEO), lower divisional Clerks (LDC), posting/sorting Assistants (PSA) and Court Clerks. This book on SSC ChSL (10 plus 2) for online Exam 2019 Tier 1 for the post of LDC/Dec/PSA has been revised carefully and consciously to help aspirants get a good guidance to steer their exam prep into the right direction. It covers the complete syllabus of Tier 1 including key chapters on English language, General Intelligence, Quantitative Aptitude and General Awareness in a highly comprehensive manner. Apart from this, it also includes essay and letter Writing to help aspirants for Tier II. Housed with 4 Solved Papers including 2018 along with 3 Practice Sets and free 3 Online sets, it is a perfect study package for those who are appearing in this upcoming examination.