: Use standard reference books (e.g., Oppenheim for Signals) before touching Kanodia.

: These are primarily practice books ; they do not replace standard textbooks for learning core theories. How to Use It Effectively

R.K. Kanodia is widely regarded by GATE toppers as one of the best resources for Electronics and Communication Engineering (ECE) due to its extensive collection of numerical problems and concept-oriented approach. The books are typically available in two main formats: a comprehensive (one per subject) or a 3-volume MCQ combo . Structure of RK Kanodia Volumes