Hello,

For the DU SOL MBA first semester exam, you can study from these materials:

1. DU SOL Study Material:
   Download or collect the official study material from the DU SOL website or your study center. It covers all the topics in the syllabus.

2. Recommended Books:
   Use the books suggested in the syllabus or by your teachers. Authors like Philip Kotler (for Marketing) and Stephen P. Robbins (for Management) are good.

3. Previous Year Question Papers:
   Solve past papers to understand the exam pattern and important topics.

4. Notes and Summaries:
   Make short notes from your study material for quick revision before the exam.

5. Online Sources:
   Watch YouTube lectures or read free notes from trusted educational sites for better understanding.

These materials are enough to prepare well for your MBA 1st semester exam.

Hope it helps !