The central library in GNI campus houses a very large number of books authored by most eminent academicians and subject experts. In additions there are thousands of reference books that are related to the taught subjects. GNI has ensured that its library should be a one-stop source for any book that a student may need, and therefore there is a provision of over one lakh volumes of books with numerous titles and sections under one roof.

The range of books in the library is simply outstanding and the collection completely multi-subject-based: engineering, medicine, technology, arts, literature, cultural, general knowledge, personal grooming, languages, tests, and entrance related, cognitive thinking, international journals and magazines. Over 125 national and international journals are available at GNI library.

In addition to the central library every institution and department has its own library.