Accessibility and Restriction
View of the documents, full text or not, is controlled by the source organization. While many organizations are happy to provide full text access to all their documents, many would like to restrict it in some way or the other. You will notice an icon beside each document which will tell you upfront about the access rights of the document.
NDLI: - This icon signifies that the document can be accessed in full-text mode by all registered NDLI members, that is, by users who have logged in to NDLI. This icon also signifies that the content is exclusive but freely accessible for NDLI users. Outside of NDLI, you need to pay to access them. For instance, all content from South Asia Archive fall under this category.
Open: - This icon signifies that the complete text is freely available to all. This includes content from sources like NCERT, NDLI Tutor - JEE Main, NDLI Tutor - JEE Advanced, StemEZ among others.
Limited: - This icon signifies that part of the text is available but access to the entire content requires authorization by the content's author/owner. This includes content from Semantic Scholar, ERIC among others.
Subscribed: - This icon signifies that the complete text is available for institutions that have subscribed to the source of the text. Otherwise, the source organization will expect you to pay certain fees to actually buy the book or have a view of it. You can still view the 'Metadata' of the item without any payment so as to understand the relevance of the book for your use, as is shown below. Example: IEEE, Springer, British Medical Journal.
Authorized: - This icon signifies that accessing the complete text requires authorization by the source's authority and separate login to the source. Example: IIT Jodhpur.
NDLI provides a very useful feature called 'Content stitching'. Refer to the screenshots below. For instance, for a source like NCERT, selecting a link like 'Composition and Structure of Atmosphere' opens up the unit and will display all the other chapters of the book so that a user can select any chapter just by a click.