Most lists, like those provided by Jibon IELTS or available on Daraz, categorize words based on the actual Reading and Listening passages found in the Cambridge books.
Simply having the PDF is not enough. Follow these steps to maximize your score: IELTS Vocabulary A-Z in Bangla | PDF - Scribd cambridge ielts vocabulary english to bangla 1 17 pdf new
Offers a dedicated IELTS Vocabulary Bangla to English PDF that groups terms by topic for easier study. Most lists, like those provided by Jibon IELTS