I am a second year student studying in NIT Raipur in the IT branch. What topic should I focus more on so that I get a good position at an IT company?

Second year is the most suitable time for you to develop your skills and knowledge. Here are some tips for you-

1. Learning coding. Become an expert in at least one programming language. Learn and understand coding concepts from geeksforgeeks. Practice coding from codechef.
2. Understand the concept of data structures and its implementation.
3. Practice aptitude questions.
4. You need to know Database.
5. You need to have conceptual knowledge of operating systems.
6. Through geeksforgeeks and codechef, cover algorithms and oops.
7. Do internships, engage in projects. Companies will prioritize experience over grades during placements. Approach companies for internships and projects. 
8. As an intern, you’ll gain a lot of experience and confidence from the corporate world.

If you follow these tips, getting placed at a good IT firm during NIT Raipur placement season will become much easier for you.