Semiconductor Devices

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-Delhi/Semiconductor%20Devices/index.htm

Probability and Random Processes

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-%20Guwahati/probability_rp/index.htm

Principles of Communication

http://nptel.iitm.ac.in/courses/IIT-MADRAS/Principles_of_Communication1/index.php

Multimedia processing

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Multimedia%20Processing/New_index1.html

Microcontrollers and Applications

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-KANPUR/microcontrollers/micro/ui/About-Faculty.html

Information Theory and Coding

http://nptel.iitm.ac.in/courses/Webcourse-contents/IISc-BANG/Information%20Theory%20and%20Coding/Learning%20Material%20-%20ITC.pdf

IC Technology

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-%20Guwahati/ic_tech/index.html

High Speed Semiconductor Devices

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-KANPUR/HighSpeed_SemiconductorDevices/ui/TOC.htm

Electromagnetic Fields

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-%20Guwahati/em/index.htm

Digital Signal Processing

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-KANPUR/Digi_Sign_Pro/ui/About-Faculty.html

Digital Image Processing

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-KANPUR/Digi_Img_Pro/ui/TOC.htm

Digital Communication

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Digi%20Comm/New_index1.html

Digital Circuits

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-%20Guwahati/digital_circuit/frame/index.html

Communication Networks and Switching

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Communication%20network/New_index1.html

Basic Electronics

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-ROORKEE/BASIC-ELECTRONICS/home_page.htm

Analog Circuits

http://nptel.iitm.ac.in/courses/Webcourse-contents/IIT-ROORKEE/Analog%20circuits/index.htm