In writing a Thesis or Dissertation, you need to have a focus in the topic that you have. After a Research Proposal, you need to start the actual research at once. Just before a proposal, you likewise select a topic whose is within the area of the course that you are taking. For this intention, you have just a working knowledge of the basic purposes of the course as well as its content. The topic that falls within the range of your experience and competency is really a good choice. If you feel that a certain topic goes beyond your working knowledge and more of experience then there is no reason for you to stop pursuing it, just go on. Know from your instructor the deadline for the submission of this academic requirement against which you should set your time stable. This arrangement will keep you within your time budget and hence, cramming on your part will be avoided.