My child varu., 4yrs 9 month old not gaining weight according to his age. Now he is 11.6kg. He is eating well

A. dear mum consult doctor for nutritional deficiencies it can affect weight gain deworming twice a year give small frequent meals add ghee to every meal good protein from egg , non veg, sprouts, chana sattu, pulses, beans powdered nuts to food, dry fruits , paneer include seasonal fruits and vegetables in daily diet