KhSoSaBN

1. Spoken Tutorial (IIT Bombay)   https://spoken-tutorial.org/
2. ePG Pathshala      Link
3. www.hindi.learnex.in     Link
4. IITBX (Online Learning Courses)   https://iitbombayx.in/
5. Hyperphysics   http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html
6. Hypermaths   http://hyperphysics.phy-astr.gsu.edu/hbase/hmat.html#hmath
7.  Swayam                    https://swayam.gov.in/
8. National Digital Library of India                 https://ndl.iitkgp.ac.in/

English

1. Modigiers    Link
2. LIstening English   https://www.youtube.com/user/MinooAngloLink 

Others

1. Ministry of Ayush                  https://main.ayush.gov.in
2. Yoga Portal (Ministry of Ayush)  https://yoga.ayush.gov.in/yoga/