I understand your concerns. According to Indian academy of pediatrics growth charts , she falls just below 50 th centile. That is nothing alarming. You can continue breastfeeding till one year. You can start adding ghee in foods in small quantities. You can start on solids( such as idli, millets, potatoes, cereals, carrots ). Encourage eating together. Don’t let him play while she’s eating , she should concentrate on food. Introduce one food at a time , wait for 3 days and introduce next.