For SSC JE and State Exams, Gupta wins. For GATE, use Kanodia alongside Gupta.
This write-up provides an overview of why J.B. Gupta's remains a staple for students and professionals.
Here's an overview of the book:
Rahul grabbed the book. He read through the first example. It was a standard problem, the kind that professors love to twist slightly for exams. He read the solution. Step one, step two, formula application, answer.