Comprehensive NCERT General Science notes covering classes 6–12, meticulously compiled for UPSC, State PCS, and competitive exam preparation. This 2nd Edition distils complex scientific concepts into clear, exam-focused summaries aligned with official NCERT curricula. Ideal for aspirants seeking structured revision, concept clarity, and quick reference during intensive study cycles. Covers physics, chemistry, and biology fundamentals essential for civil service and competitive entrance exams.