How can we write a proposal for dissertation?

The first process in writing a dissertation is the selection of topic and once the topic is selected students should start the writing process for the proposal and the proposal for dissertation is normally a tough task. Initially it seems to be an easy one while after a certain period of time the task become quite tough because of the fact that there are several issues that are associated with the proposal for dissertation. The core aspect when writing a dissertation is the dearth of data that is available on a particular topic if the data is not abundant then it is highly probable that effective results cannot be achieved and the proposal of the students might be rejected. That is the reason why immense care should be taken in this regard when students are writing the proposal for dissertation that data should be collected initially and then decisions should be taken based on the data that is collected by the researcher. After the collection data should be filtered from the scratch and only important aspects should be utilized in the research and the rest should not be included.