There are many channels on Telegram which copy from others, but here's the list of very few channels which have their own original content.
🍕 @IELTS_8 - Everything you need for
IELTS
📚@Thompson_materials - 👉 Free IELTS Materials 👈
🔥 @EnglishPlatform - Authentic IELTS channel
💂@ielts_soldiers - Mind-blowing IELTS prep materials
💻@FunEnglishwithme - Free Advanced Lessons
🍕 @IELTS_8 - Everything you need for
IELTS
📚@Thompson_materials - 👉 Free IELTS Materials 👈
🔥 @EnglishPlatform - Authentic IELTS channel
💂@ielts_soldiers - Mind-blowing IELTS prep materials
💻@FunEnglishwithme - Free Advanced Lessons