Body Mass Index (BMI) of an ordinary person should be between 18 - 24.9. If the figure goes beyond 24.9 it is over weight or obesity. To calculate this BMI get your weight in kilograms and height in meters. Then divide weight by the square of height. You will get the BMI.
According to this obesity most of the people get stressed. But the physical problems which can arise from this have to concern more than that. They may face to heart attacks, high blood cholesterol, non-communicable diseases, joint pains and ailments, varicose, etc.
To control obesity we have to treat both internally and externally. There are lot of Ayurvedic medicines for obesity. Some oil massages help to reduce fat. Steam bath sweat your body and help to reduce fat. Yoga exercises help to reduce weight and burn fat. There are special locative exercises in yoga to special places of the body such as thighs, abdomen, arms, etc. Practice for a well organized food pattern. Meet a nutritionist and ask for a meal plan.