Libraries are established for the systematic collection, organization, preservation and dissemination of knowledge and information. It is very important for man to preserve and maintain the valuable knowledge and information contained in the books and documents because we want to preserve our knowledge and wisdom for the coming generations. By preserving the documents in a library this knowledge can be made available to others so that they can benefit from it. Establishment of libraries is not a new concept. The oldest library dates to around 2700 years ago in Sennacherib 's Palace in Nineveh which shows how long ago the concept of leaving a piece of your wisdom behind started being formed into the organized collection to preserve the work.
With the invention of printing press, it became easier to preserve the knowledge in the form of printed documents. This led to the generation of a large number of books. The need for the preservation and dissemination of information led to the establishment of more and more libraries. Thus libraries acquired a great importance in the civilized society for education and research. Libraries play a vital role in the development of any society by enhancing the cause of education and academic research. They cater to the information needs of thousands of peoples.
The development of Science and Technology (S & T) in the last two centuries has led to an information explosion. Rapid changes have taken place at a great pace. In order to meet the