NPTEL Swayam courses offered by me:

The registration for all the courses are free and all the content is freely available online. 

Fundamentals of Wireless Communication (Hindi)

Introductory Video link

For full course materials and link, please refer to the link

Advance topics in Wireless Communication (Hindi)

Introductory Video link

For course materials and link, please refer to the link

Enabling Technologies for 6G Communications Networks (Hindi)

Introductory Video link 

For course materials and link, please refer to the link