As the semester exams approached, Rohan and Aman felt increasingly confident. They had covered all the material, and their notes were comprehensive and well-organized.

From that day on, Rohan and Aman became the go-to experts on material science and metallurgy. They helped their friends and juniors, creating study groups and mentoring sessions. And Op Khanna's book remained their trusted companion, a reminder of the power of knowledge and the importance of sharing it with others.

Rohan and Aman knew that Op Khanna's book was more than just a resource – it was a game-changer. They had discovered the secret to understanding complex concepts, and they were determined to share this knowledge with their peers.

Aman, on the other hand, was more interested in the practical applications of material science. He loved the examples of real-world case studies, where the authors applied theoretical concepts to solve industrial problems.