Your ideal weight should be 66kg so you should gain 19kg. Your weight is very low which is very dangerous. Because your body has no stores of energy for emergency conditions.
We can prepare a diet plan for you which will help you gain 4-6kg in one month. Our diet plan is a document that suggests you food, its timing, quantity, preparation and exercises. For further details, you can call our nutritionist on 042-32591427, , 042-32591427, or 042-32591427, .
First of all, make sure you do not have any underlying health problems causing you to be underweight. Then You need to set up a proper meal schedule. You also need to learn how to add in healthy high calorie foods into your diet. Make sure you are exercising regularly, and do some resistance and weight training to help build your muscle tone. Be thankful you do not have the opposite problem. It's much harder to deal with being overweight than underweight.