The document provides course structures and syllabi for various subjects in B.Tech III-I and III-II semesters for the Computer Science and Engineering program as per the R15 regulations of Jawaharlal Nehru Technological University Anantapur. It includes the course code, subject name, credits, syllabus outlines and textbooks for subjects like Operating Systems, Computer Networks, Object Oriented Analysis and Design, Principles of Programming Languages, and Software Testing among others. The document also lists the laboratory courses associated with these subjects along with their credits.