There are several podcasts available that concentrate on imparting knowledge of grammar, vocabulary, and other areas.
Listen to people with diverse accents on YouTube as there could be individuals from any English-speaking country during the IELTS Listening.
Speak with friends and relatives
Use video chatting services, like Skype and Facetime, to practise speaking with friends and relatives who speak English and reside abroad
These games will help you improve your language proficiency and practise speaking English under time pressure, which is a great method to get ready for IELTS.