Smart phone application MyNetDiary will be used to track calories and exercise log. The intervention period would last for 3 months.

This group will follow paper diary to track calories and exercise log for 3 months.

MyNetDiary will be used to track calories, and exercise while motivating for living a healthier life each day.The intervention period would last for three months. Total energy expenditure (TEE) of every participant enrolled into the study would be calculated at the start of the study and an exercise and diet plan with a calorie deficit of around 1000 kcal per week would be provided to the participant. The diet and exercise plan would be modified according to the new TEE of the participant. MyNetDiary app has built-in food and exercise activities with their respective calories' count. Moreover, customized foods and exercises can also be added into the application

It is the estimation of weight without wearing extra things by the individual. Excess or reduced weight is viewed as a sign of deciding an individual's health, with body volume estimation giving an additional aspect by calculating the distribution of body weight. A weight machine is usually used for this purpose. Weight machine is a gadget used to measure weight or mass, which is also called weight scale and weight balance system. The conventional scale comprises of two plates suspended at equal distances from a fulcrum. However, in this study, a digital weight machine will be used. The hardware comprises of a load cell or a weighing scale. The load cell calculates the person's weight and turns the mechanical force into electrical signals that can be easily obtained after microcontroller processing. Excess or reduced weight is viewed as a sign of deciding an individual's health, with body volume estimation giving an additional aspect by calculating the distribution of body

BMI stands for Body Mass Index. Mathematically it is calculated as, an individual's weight in kilograms (or pounds) divided by the square of level in meters (or feet). The categories of BMI are as follows: < 18.5 as underweight, 18.5 < 25 as normal weight, BMI 25 < 30 as overweight, BMI 30 < 35 as low obesity, BMI 35 < 40 as medium obesity and BMI ≥ 40 as extreme obesity

The app usage data will be collected from the phone with the help of phone's app usage record and daily usage of app, its exercise log and diet log would be recorded to maintain app usage data.