my son is 3 years old he is only at 13 kgs in weight.....he eats 2 egg whites bananas two meals.....and other junk some times how i can let him gain weight...

A. See proteins are going to be important for the child so you can include more veg and non-veg both proteins for the child child apart from egg you can give another proteins also and avoid giving junk food to the child as that is not at all healthy