Hi...... Only calories won’t add to your body weight,include the right amount of proteins to your diet.... Have six meals in a day – three big meals and three small. Breakfast, lunch, and dinner should be heavy and calorie-rich. A heavy dinner adds weight to your body as your metabolism is not as active when you sleep as compared to when you are awake.... Eat - Eggs, lean meat, fish, pulses, sprouts, and dairy products that rich sources of proteins...