SSC CGL 2023 Tier 1 (Shift 3) was conducted on July 25, 2023. The selection process includes a two-tier structure: Tier 1 (Prelims) and Tier 2 (Mains). Tier 1 assesses candidates' knowledge in General Intelligence & Reasoning, General Awareness, Quantitative Aptitude, and English Comprehension. Depending on the post, candidates who clear Tier 1 are eligible for Tier 2, followed by a Skill Test or Interview.