Intellectual Organization of Information (IOI) refers to the systematic arrangement, description, representation, and structuring of information resources so that they can be easily stored, located, accessed, and retrieved when required. It is concerned with organizing the intellectual content of documents rather than merely arranging physical objects. In libraries, information centres, databases, archives, and digital repositories, IOI provides a logical structure through which users can identify and retrieve relevant information. Major activities involved in intellectual organization include classification, cataloguing, indexing, abstracting, subject analysis, metadata creation, and the assignment of keywords or descriptors. The basic purpose of IOI is to represent the subject and intellectual characteristics of information resources in a standardized and meaningful manner. Classification groups documents dealing with similar subjects together, while cataloguing provides bibliographic details such as author, title, edition, publisher, and date of