-Make a rough plan to cover up all the chapter.-Definitely solve previous 10-15 years question paper completely. You can find them here: https://edurev.in/courses/5620_GATE-Past-Year-Papers-for-Practice-All-Branches-/.This will help you the most. It will give you a flavour of the questions that are asked typically.-Prepare with a happy, hopeful, cheerful heart. Be confident about your prep.-Brush up your basics. They are essential for solving the advance questions.-Practice as much as you can. The more you get the clear picture of the concepts involved.-Discuss with friends. It helps a lot. You will learn new things that you do not know and by telling them what you know will make your concepts a bit more clear.-Give test series. These are some online sites that will help you in preparation (like this one!) You can find them here: https://edurev.in/courses/5620_GATE-Past-Year-Papers-for-Practice-All-Branches-