Senior Secondary School Mathematics for Class 12 by R.S. Aggarwal is a comprehensive reference book designed to help students strengthen their understanding of Class 12 mathematics according to the latest CBSE syllabus. The book covers all key topics such as Relations and Functions, Algebra (Matrices, Determinants), Calculus (Differential & Integral), Vectors, Three‑Dimensional Geometry, and Probability through clear explanations and a large set of solved and practice questions. With step‑by‑step solutions, illustrative examples, graded exercises, and higher‑order thinking problems, it supports students in building strong conceptual clarity, problem‑solving skills, and exam readiness. This book is useful not only for board exam preparation but also for competitive exams that require a solid maths foundation.