Hi Aspirant,
Whether IELTS is tough or not depends on your English proficiency.If you are fluent at listening, reading, writing and speaking of English. And yeah Self-study is an essential ingredient for success in IELTS.
For more information on IELTS exam syllabus, preparation and preparation, refer the link below
https://www.google.com/amp/s/studyabroad.careers360.com/exams/ielts/amp
Good luck!
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