You can't lose that much weight in such a short time, in a healthy manner. Any fad diet you try isn't something you can stick to. You have to change your lifestyle a little bit at a time.
During three days only eat grapes and water. After eat cabagge soup two cup for each meal and you will see resulted
Try cauliflower instead of potato
For example: mashed cauliflower instead of mashed potato
Try cauliflower instead of potato
For example: mashed cauliflower instead of mashed potato