which suppliment food should I give my daughter for weight gaining?

A. For weight gain, best way is to feed fat and protein rich foods like potato, rice, pumpkin, sweet potato, eggs, chicken, fish, legumes, ghee, milkshakes with dry fruits, banana, avocado, paneer and 600-700 ml milk everyday including variety of fluids. Feed 3 Mao meals and 2-3 times healthy snacks. You can add some good DHA rich health drink in milk like Pediasure once a day to increase weight. Do not add too much and only 1 spoon.