Try using synonyms for the words used in the topic sentence.
Introduction
Your introduction should tell the starting of the given topic. The introduction should also contain a quote, statement or fact that states your opinion on the topic.
Body Paragraph 1
This paragraph should revolve around a central idea from the given topic. The central idea contains the main idea of the topic given.
Body Paragraph 2
This paragraph should contain supporting ideas with sde characters. This paragraph should also include supporting points relevant to the side of the discussion it is dedicated to.
Conclusion
The conclusion should summarize the main points of your essay.
You may add an opinionated paragraph whenever your opinion is asked as per question.
Tips while writing discussion essay for IELTS-