Hello Practo user, In order to gain weight all you have to do is increase your daily calorie consumption * Eat a balanced diet. * Eat lots of vegetables and fruits * Exercise as it will make you strong and you will feel hungry * Have milk and milk products.. If you are too thin.. Have cheese,  whole milk instead of skimmed milk * If you eat non-vegetarian,  you can include eggs and lean meat in your diet

Take high protein diet. Ask me directly for customized diet plan for you.