Meditation is basically a process of concentration for stabilizing the mind. For this purpose you must concentrate regarding the environment in which you are performing this task. These due to different reason people are very frustrated and disturbed. It is very difficult for them to concentrate on things. It will create lot of problem for them because when you are not focusing then your work and judgment both are disturbed. If you want a peace of mind then meditation is very good exercise for you. It will help you in getting your peace of mind and also creates a mental space for achieving the better quality of illusion.