Data Communication

https://www.youtube.com/watch?v=Gk9jpUNBYXg&index=6&list=PL0897815D900EE650

Control Systems

https://www.youtube.com/watch?v=vVFDm__CdQw&list=PLC977DC7BB9CB619E

Cellular Communication

https://www.youtube.com/watch?v=CUyF0YGIA5Y&list=PL1A4AFAC7AC1909C9

Communication Systems

https://www.youtube.com/results?search_query=communication+systems+nptel

EMTL (GATE)

https://www.youtube.com/watch?v=pGdr9WLto4A&list=PL4BE7BAFFAB78FC44

Microelectronic Devices and Circuits (GATE)

Microelectronic Devices and Circuits by Prof Salahuddin

VLSI by nptel

From 1 to 15
https://www.youtube.com/watch?v=ruClwamT-R0&list=PLB3F0FC99B5D89571

From lecture 24 to 30
https://www.youtube.com/watch?v=03j4ZvQCKWY&list=PL36E832F4CA46D233

For TESTING from  31 to 35
https://www.youtube.com/watch?v=vdoRD2kLGfw&list=PLD2AC55653E359536