To Issue and Return the books, go to Library > Issue Return. Here search the student by entering Member Id, Library Card No, or Admission No after that click on the Issue Return icon from the Action column, this will redirect you to the Issue/Return book page.
To issue a book, go to the Issue Book Section and then select Book (as you select the book the available quantity of that book will show at the bottom of the select box) and Return Date then click on the Save button. The issued book will be shown in the Book Issued section.
To return the Issued book, go to the Book Issued section and then click on the Return icon present in the Action column, at the click of this icon it will ask you to confirm, after your confirmation book will be returned.