Everything GATE Electronics & Communication needs, in one box: Engineering Mathematics, NexusX Volume 1 and Volume 2, SiliconX and General Aptitude. Five books, 6800+ chapter-wise previous-year questions with detailed multi-approach solutions, companion solutions PDFs for every title, and the 3-dot difficulty marker throughout. Covers the common EC/EE/IN subjects, the EC branch core, the maths, and the aptitude - nothing else to buy.