Indexing is the numbering, counting or identifying list of things or collection of information. Index can also be known as list, listing, register, catalogue, record, archive, inventory, dictionary and directory. Initially before 1440 there were handwritten manuscripts. The modern printing started from the year 1440. Abstracts are important tools for information users, especially as they strive to keep abreast of explosion of information. Both indexes and abstracts help to assist users locate information items given to them by a reference or a colleague. They help to find application of some new procedures or discovery in their field and also to find recent trends or ideas in the field. Reviewing is done by experts to judge its quality before publication. There are different methods used to review articles. Different sections of the journal is reviewed by different people The review methods vary from journal to journal.