If dissertation conclusion part is not up to the mark, definitely the result of that submitted project will not be in favor of the writer. So, it is very crucial to present an exceptional ending because it will play an important role in approval. In this part, you have to discuss about the main aim of your papers and give an overview of complete dissertation. All the key points and main features should be highlighted in this section.
Try to link conclusion part with introductory part by providing the solutions that are raised in preface. Take into account that in this part never try to raise any question or never present any negative point or argument. Try to make it positive and just focus on the solutions, suggestions and answers. The best dissertation writing conclusion is one that leaves a hopeful ending and gives the reader some thinkable points that he/she should consider for a long time.