If you are preparing for a competitive exam in the next 3 months, buy the official e-book. The time you waste hunting for a "free exclusive" cracked copy is time you could spend solving the 500 DC Motor problems inside the book.

For decades, the journey from an electrical engineering aspirant to a successful professional has been paved with thick, daunting textbooks. But every few years, a book comes along that changes the way students approach the subject. In the Indian subcontinent, "An Integrated Course in Electrical Engineering" by J.B. Gupta is one such legendary title.

However, treat the PDF as a . Printing out the most important 200 pages (the ones with solved circuit theorems and machine formulas) gives you the tactile advantage of paper, while the PDF gives you portability.