@ Supriya
There is a formula for BMI (boby mass index) which helps to find whether over weight , under weight , normal weight to your body according to your height.
BMI=Weight in kg/Height in meter *height in meter. This is metric units formula.
BMI= 18.5-23 is normal weight range.
23-24.5 is a range of overweight.
More than 24.5 range is obesity.
According to above range you can assume the obesity level.