It has been universally recognised that the needs of the knowledge of organic chemistry of a pharmacy student are distinctly different from that of the student of organic chemistry.\\r A student of pharmacy would be required to use this knowledge to understand structure activity relationships and mechanisms of drug action in his future career.Salient Features Include\\r \\r Emphasis on reaction mechanism in every chapter\\r Material presented in one unit threads through each of the other units\\r Simplicity of the language for proper understanding\\r Each chapter contains a large number of review problems with their detailed answers\\r Exercises are also drawn in each chapter\\r