JNTUK B.Tech 3-2 CSE Cryptography and Network security(CNS) Material PDF is now available for all 5 Units. This material is very useful for external exam and it will makes easy of preparation.
Here you can get latest JNTUK R20 Materials for all subjects, lab manuals, previous year question papers, e-books, syllabus ext
JNTUK CSE 3-2 R20 Material Download PDF SET-I
JNTUK CSE 3-2 R20 Material Download PDF SET-II