You will find here "Book and Book Chapters" authored by the Light and Matter Physics Group. When the publication is open access, you will be able to access the full-text of items. If access to the full-text is restricted, usually due to the copyright policies of the publisher, then metadata (information about the item) will be available; this metadata might point to the publisher's site or to an open access version at arXiv.org. If you wish to access any of the restricted items, please contact library@rri.res.in