Economic progress and ecological balance always have conflicting interests. The necessities and comforts of human beings, invariably robs the ecological structure, of the nature. One such activity is harvesting. This, more often than not, leads to the extinction of a species of life. The exploitation of fish populations provides some classic examples of disastrous exploitation of renewable resources. Often it is possible to prevent such extinction by proper management. If a particular species is on the brink of extinction, then a properly planned regulating policy ensures the damage to the...