Introduction: Our body composed of mainly three components such as muscle, bone and fat. The average adult male contains 15 percent fat while female contain 20 percent of the total body weight. When this value increased by 5% then person falls in the category of overweight/obesity. Obesity is defined as excess accumulation of fat which harm our health. Physical exercise plays an important role in weight reduction. In some cases there may not be change in total body weight but there will be change in body composition. Various research studies have shown that physical exercise also helps to gain weight. These weight gain results in increase in lean body weight. If an individual wants to increase lean body weight then he should follow strength and power training programs. On the other hand, majority of the people tackling with their overweight. So to reduce the body weight one should follow endurance training as its main source of energy is fat.

The most common reason for overweight is intake of more calories than we burn up. Now a days we are going to gym, park and various fitness centre to burn extra intake calories. One question arises here, why it is not easy to burn extra calories at home. To understand this we have to go back in history. The history of human being is witness to the fact that each and every daily routine work was done with his own efforts, either it was physical or mental. It is well said for our body that “Use it or lose it.” Technology has provided numerous comfort to today’s generation as compared to ancient one. All these comforts have made the man most inactive and lethargic, which give birth to obesity, decrease in immunity, poor memory and many more problems. Moreover, obesity and overweight cause many health related problems.