Downloading copyrighted material without authorization is a violation of copyright laws. While the internet is flooded with repositories and file-sharing sites hosting pirated copies of standard textbooks, relying on these sources poses several risks:

A used copy in good condition can cost as little as ₹150. You can later sell it to another student.

| Textbook | Key Feature | Where to Find Legal PDF | | :--- | :--- | :--- | | | More intuitive, problem-focused; slightly easier than Shevgaonkar. | McGraw-Hill (paid) or used copies. | | "Electromagnetic Field Theory" by U. A. Bakshi & V. U. Bakshi | Follows Indian syllabus closely; very affordable. | Technical Publications (paid e-book ~₹200). | | "Introduction to Electrodynamics" by David J. Griffiths | The gold standard for physics students; deeper theory. | Cambridge University Press (library access needed). | | "Field and Wave Electromagnetics" by David K. Cheng | Classic text at an intermediate level. | Pearson (library access or paid e-book). | | MIT OpenCourseWare – 6.013 Electromagnetics and Applications | Free video lectures, assignments, and notes (no single PDF but complete course). | ocw.mit.edu |