The Full form of CGL is Combined Graduate Level Exam. Its full form is SSC CGL exam, where SSC stands for Staff Selection Commission. So, SSC CGL exam means CGL exam being conducted by SSC. It conducts the exam once in a year and recruits about 32 different posts for different departments, ministries or organizations of the Central Government of India. The Staff Selection Commission holds CGL annually to select candidates for various Group B and Group C posts. This exam is held in four tiers or stages namely Tier-1, Tier-2, Tier-3 and Tier-4. Tier-1 will take place in multiple slots via computer mode, with objective type questions, Tier-2 will comprise two papers of 200 marks each for Quantitative aptitude and English, Tier-3 is a descriptive type exam to test the written skills of the candidates in English/Hindi and Tier-4 is conducted exclusively for the post of Assistant Audit Officer. Candidates must have a graduate degree to apply for SSC CGL and the candidates who are in the final year of graduation can also apply with their provisional degrees. The Age limit for SSC CGL Recruitment varies from post to post. The minimum age limit is 27 years and the maximum age limit criteria is 32 years.