The Arihant handbook is a unique multipurpose Revision book series, developed to facilitate quick and powerpack revision of various Key Notes, Terms, Definitions, & Formulae. Each book of this series is equally useful for revisions before board exams and all relevant competitions like Eng., NDA, CDS, UPSC, etc. The latest revised editions of this series are now even more powerful with Fantastic 4 feature containing; Value Points, Competition Insight, Knowledge Booster, and Knowledge Library. WHO WILL BENEFIT? For Class XI-XII students Students preparing for Eng. & other Competitions