Yes, you can participate in English debates or public speaking events to improve your English language skills in CBSE Class 9. Here's how:

1. Enhances Speaking Skills:
Participating in English debates or public speaking events provides you with an opportunity to practice and improve your speaking skills. Regular practice will help you become more confident, fluent, and articulate in expressing your thoughts and ideas in English.

2. Expands Vocabulary:
Engaging in debates or public speaking events exposes you to a wide range of topics and ideas. This exposure helps you build a diverse vocabulary, learn new words, and understand their proper usage. By actively participating in these events, you can incorporate new words into your own speeches and conversations, expanding your vocabulary.

3. Improves Language Fluency:
When you participate in debates or public speaking events, you need to think quickly and respond effectively. This process helps you improve your language fluency as you practice formulating coherent and well-structured responses in real-time. Regular practice will enhance your ability to express your thoughts fluently and effectively.

4. Enhances Critical Thinking Skills:
Engaging in debates requires you to analyze, evaluate, and present arguments effectively. This process enhances your critical thinking skills as you learn to think critically, gather relevant information, and present logical arguments to support your viewpoint. Debating also helps you develop the ability to analyze different perspectives and think critically about various issues.

5. Boosts Confidence:
Participating in debates or public speaking events can significantly boost your confidence. As you overcome stage fright, practice public speaking, and receive positive feedback, your self-confidence grows. This newfound confidence will not only benefit you in English language skills but also in other areas of your life.

6. Improves Listening Skills:
Participating in debates or public speaking events involves actively listening to other participants' viewpoints, arguments, and rebuttals. This process helps improve your listening skills as you learn to pay attention, comprehend, and respond appropriately. Effective listening is essential for effective communication.

Conclusion:
Participating in English debates or public speaking events is an excellent way to improve your English language skills in CBSE Class 9. It enhances your speaking skills, expands your vocabulary, improves language fluency, enhances critical thinking skills, boosts confidence, and improves listening skills. Regular participation in such events will contribute to your overall linguistic development and help you excel in CBSE Class 9 English.