Hello aspirant,

You can find sample papers for IELTS for all the sections here.

IELTS Sample Paper, Practice Test: Download Previous Year Question Papers (careers360.com) Now this is not the entire preparation material online, you might have to check other resources online as well. You can however use these to practice more. These are adjuncts, please go to the official IELTS website you will find the preparation material  there. Follow the link below, it is a complete guide for the test takers.

Sample test questions (ielts.org) (https://www.ielts.org/for-test-takers/sample-test-questions)

I hope this information helps

Thank you.