Presenting brain teaser is like a fulfillment of commitment to neoveterinarians/blooming veterinarians to provide a torch for 'hard to Crack' path of competitions. Brain teaser is not only the question bank, but it is also a comprehensive guide, a ready reckoner and powerful tool to crack competitions. Competition is nothing but use of brain to find out best-suited answer. Brain teaser helps you o find best-suited answer. Veterinary science in India is touching new heights in terms of quality institutions, innovative research and increased livestock production. Present manuscript is aimed at providing authentic information useful for various entrance tests, civil services examinations and interviews. This book is a result of several years of hard work and experience of the authors. Practice workbook portion contains exclusive questions from previous years' state/UPSC civil services examination papers, ICAR-JEF examinations. Each chapter contains important points of specific subject. This book is not intended to make profits from struggling youth but to help them at least possible cost. You best placement and achievement of your target is the main aim. Hard work accompanied by proper guidance is the only key to success. It is hoped that you will find best guidance from this innovative book.