Yes, solving previous years' papers of UPSC Management optional subject can indeed help in improving your understanding of marketing management concepts. Here's how:

1. Comprehensive Coverage of Topics:
- Previous years' papers cover a wide range of topics related to marketing management, including market research, consumer behavior, product development, pricing strategies, branding, and advertising.
- By solving these papers, you can gain a comprehensive understanding of the various concepts and theories associated with marketing management.

2. Familiarity with Exam Pattern:
- Solving previous years' papers allows you to familiarize yourself with the exam pattern and the types of questions asked in the UPSC Management optional subject.
- This helps you understand the format of the questions, the level of difficulty, and the weightage given to different topics.
- By practicing previous papers, you can develop a strategy to effectively manage your time during the exam and improve your overall performance.

3. Application of Concepts:
- The questions in previous years' papers often require you to apply the marketing management concepts to real-life scenarios.
- By attempting these questions, you can enhance your analytical and problem-solving skills, as well as develop a deeper understanding of how these concepts are applied in practical situations.

4. Identification of Knowledge Gaps:
- Solving previous years' papers helps you identify any gaps in your knowledge or understanding of marketing management concepts.
- If you come across questions that you are unable to answer or struggle with, it indicates areas where you need to focus on improving your understanding.
- This allows you to prioritize your study efforts and allocate more time to topics that require further attention.

5. Revision and Reinforcement:
- Going through previous years' papers serves as an excellent revision tool.
- By revisiting the questions and attempting them again, you reinforce your understanding of the marketing management concepts.
- It helps you retain the information for a longer duration and improves your ability to recall and apply the concepts during the actual exam.

In conclusion, solving previous years' papers of UPSC Management optional subject can significantly contribute to improving your understanding of marketing management concepts. It provides comprehensive coverage of topics, familiarizes you with the exam pattern, allows for the application of concepts, helps identify knowledge gaps, and serves as a valuable revision tool.