Before you write your dissertation you will be expected to write a dissertation proposal. This is true regardless of the level at which you are studying. You have to write a proposal for your department to agree to the topic of the dissertation, although some fine-tuning of the topic is usually available during the dissertation writing process.
Dissertation Literature Review Help. Generally, students are expected to submit a dissertation literature review prior to starting with the dissertation writing and discuss the same with their supervisors as well. The key point to note about dissertation literature writing is just that students need to review the major concepts and show their relationships.