Dieting, starvation or fasting in dream especially for the observance of religious teachings refers to statesmanship, state, health, status, victory, repentance blessing, pilgrimage, waging of holy war, or birth of a son or baby boy depending upon the context of your dream. To dream that you are fasting then it refers to your avoidance from unfair income and sinful lifestyle. To dream that you are fasting but at the same time back biting then it refers to your deception by showing your religious practice. To dream that it is the holy month of Ramadan then it indicates inflation in prices of eatables.
A fasting in dream mistakenly refers to you fair income resources. To dream that you broke your fast intentionally then it refers to some disaster or disease during travelling or journey.