“Samanya Vigyan (General Science)” by Er. S.K. Jha, published by Aash Publication, Patna, is a comprehensive and updated guide based on the latest NCERT syllabus. Designed for Railway, SSC, UPSC, State PCS, Defence, TET, and Bihar exams, this 5th Edition (2024–25) covers Physics, Chemistry, and Biology in a simplified manner. The book includes 4000+ MCQs with video solutions, NCERT Exemplar, important reactions, and previous years’ TCS Group-D & NTPC questions, making it highly useful for all competitive examinations.
