A thesis proposal is a necessary step before writing the research paper. It shows where the research project lies and explains the importance of the study. The structure should capture all sections including the title, abstract, literature review, methodology, discussion, and conclusion. You must follow the provided instructions if you are required to write a thesis proposal."
There are differences in the standard edition of the thesis proposal, but this does not mean that there is a difference. Usually, a supervisor will give a specific outline of the final submission. If not, you can ask for guidelines form your department. You must always ask for the specifications from your supervisor before making any major changes. More info can read here: us.rankmywriter.com/papernow-org-review

