Thesis proposal defines the summary of your research work. What research you have done? What are its outcomes?

Here is the best outline for a deck on thesis proposal template thesis proposal outline and structure. Use it to create your own PPT templates :

Abstract: There should be an abstract slide which shows the following factors- originality/value, design methodology, purpose, findings. 

Introduction: You can include an introduction slide which presents- broad picture, research question, general description, final words, what people want to improve or understand. 

Thesis statement: There should be a thesis statement slide which states the thesis and clarify the hypothesis (or theory) that you are going to attempt to prove with the thesis. 

Preliminary discussion & results: You can add a preliminary discussion & results slide . Here, you will present the results that you have come up and draw up conclusions relating to the research that you have done. This is a true reporting of what you found while testing your hypothesis, including both positive and negative findings.

Here is an example of Thesis Proposal Template Thesis Proposal Outline And Structure PowerPoint Presentation Slides. Download it and alter it as per your liking.