Its not advisable to lose weight by starving. As mentioned above, although there will be a weight loss in the initial stage, but later on the weight will stop reducing. At the same time when you are back to your normal diet, your body will react adversely and the rebound tendency is much higher. Instead what you can do to include small and frequent meals throughout the day. Go for a detox diet for day in once in 15 days. These detox diet may comprise of fruits and salad the whole day, or juice diet or soup diet etc.