“Vidya Prakashan” Lab Manual with theory, Viva-voce Questions, and Laboratory instruction for been prepared in accordance with the NCERT, CBSE, UP Board syllabus. A practical book provides a better understanding of various concepts in a lucid manner. The entire matter is prepared in a way that provides a complete understanding of each topic. Viva-voice questions and answers help the students in having a better understanding of concepts. Viva Voce questions are followed with answers. After theory matters, blank pages are provided for writing experiments.