1. VTU e-learning Resource Center - http://nptel.vtu.ac.in/econtent/

2. NPTEL- https://nptel.ac.in/resources.html

3. NPTEL Online Videos, Courses, IIT Video Lectures - http://www.nptelvideos.in/

4. Swayam -Free Online Education - https://swayam.gov.in/NPTEL

5. MITOPEN COURSEWARE - https://ocw.mit.edu/index.htm

6. Virtual Labs: An Initiative of Ministry of Human Resource Development under the National Mission on Education through ICT - http://www.vlab.co.in/broad-area-electronics-and-communications

7. IIT Bombay Virtual Lab- http://vlabs.iitb.ac.in/vlab/

8. Amrita Vishwa Vidyapeetham Virtual Lab – https://vlab.amrita.edu/

9. IIT Kanpur- Virtual Labs - https://www.iitk.ac.in/mimt_lab/vlab/index.php