Defence preparation is a crucial part of dissertation making. A dissertation cannot be a success until and unless it is presented confidently in front of the authorities. The professors evaluate the effort done by the scholar, not just by the written manuscript but also by the knowledge gained, which is usually done by a viva. The scholars are always cautioned about the information included in the research. Anything, which is inexplicable from their end, should not be included. It is never confirmed what question can be framed by the interviewer from which portion. read...