NPTEL-SWAYAM Online Courses (link)
MIT Open Courseware (link)
Virtual Labs (Physics) (Electronics)
The Feynman Lectures on Physics by California Institute of Technology (link)
Bethe Lectures by Cornell University (link)
The Frontiers of Physics Lecture Series by the University of Washington (link)
Physics Lecture Series by Princeton University (link)
Oxford Physics YouTube Channel (link)
PhysLink.com - The Physics and Astronomy Online Portal (link)
PSRC- Physical Sciences Resource Center (link)
PICUP - Computational Materials for Physics Classes (link)
Open Source Physics- Computational Resources for Physics Teaching (link)
PhET-Interactive Simulations by Colorado University (link)
My Physics Lab - Physics Simulations (link)
NIST- Physical Reference Database (link)
Hyper Physics - Physics Encyclopedia by Georgia State University (link)
Lectures by Walter Lewin-Massachusetts Institute of Technology (link)
Physics Videos by Eugene Khutoryansky (link)
Lecture Series on Classical Physics by Prof. V. Balakrishnan (link)
Lecture Series on Quantum Physics by Prof. V. Balakrishnan (link)
Selected Topics in Mathematical Physics by Prof. V. Balakrishnan (link)
Fundamentals of Physics with Ramamurti Shankar- Yale University (Part 1 link) (Part 2 link)