Why proposal of students are rejected?

Research proposal is written before a dissertation and it is of utmost importance. There are several reasons why students fail in their respect Research Proposal. These reasons are described below:

1. Lack of information collected from different sources.
2. Too many sources collected from the internet and dearth of journal and books usage.
3. Formation of irrelevant topic.
4. The topic that is formed is too broad and it is not narrowed down by the student.
5. Aims and objectives are not formed in a professional manner it can be disruptive for the entire proposal.
6. The research strategy is not interlinked with the research objectives and aims of the research.
7. Wordiness is present in the document and lacks of relevant sources are there.
8. The proposal is too short and appropriate information is not included in different sections of the research.
9. The conclusion of the ending note is not linked with the topic.