1) J GATE: Complete: URL: https://jgateplus.com/
2) DELNET: Developing Library Network www.delnet.nic.in
3) NDL:National Digital Libraryhttps://ndl.iitkgp.ac.in/
4) SLIM OPAC LINK:172.16.5.26/w27/
5) Hadoop Digital Library(Data Hub) 172.16.2.86:8080/CyberDrive
6) NPTEL Video LecturesNptel.ac.in