Handbook of Electronics by Gupta and Kumar, published by Pragati Prakashan, is a foundational text covering analog and digital electronics, spanning from basic semiconductor physics to complex circuit design. Now in its 37th edition, the nearly 1,000-page, "evergreen" reference is widely used for university-level curricula and competitive engineering examinations in India. You can explore the text's detailed topics, such as network theorems and digital logic, in digital versions available online. Internet Archive
The "story" behind the by Dr. S.L. Gupta and Dr. V. Kumar handbook of electronics-gupta kumar pdf
Later chapters often introduce the basics of amplitude modulation (AM), frequency modulation (FM), and transmission lines. Handbook of Electronics by Gupta and Kumar, published