1. Listen Actively: 
Since you will be listening to recordings, it is important for you to develop your understanding of different accents such as American, Australian, British, and Canadian. How? You can perhaps listen to a variety of English audio content such as news, radio, podcasts.

2. Vocabulary:
Like any language, vocabulary is the key to be able to communicate effectively. The top two ways you can build your English vocabulary for IELTS is through reading and listening.

3. Note-Taking:
This is a skill, which requires practice because you cannot write everything verbatim. In fact, when you have the take the IELTS exam and pace yourself, how you record information in notes is a challenge for many test takers.

4. Predictability:
Before you hear the recording, you are given some time to read through the questions. By quicky skimming through the questions prior to the recording, you can pick out the key details such as numbers, names, places, etc.

5. Paraphrasing:
Similar to vocabulary, grammar is equally important and can help you with paraphrasing (both understanding questions and writing answers).

6. Practice:
There are certain complexities in the Listening section of IELTS, but nothing which cannot be tackled with practice. If you can focus and practice listening under test conditions, you should be alright.

7. Manage Time: 
Listening is a bit tricky, especially if English is not your first language and you are hearing recordings with accents. Therefore, you need concentrate and be ahead of the recording by reading the questions to understand what is being asked, and writing or selecting your answers.