The Ultimate Guide to SSC CGL Tier I & II Exam (10th Edition) by Disha Experts is a fully updated and revised guide as per the latest SSC pattern. It includes 64 chapters across all key subjects — Quantitative Aptitude, Reasoning, English, Computers, and General Awareness — along with solved examples, short-cuts, and previous year questions (2015–2025). A must-have for SSC aspirants aiming for Tier I & II success.