Hi, I understand your concern. You should feed him 5 times a day. Add enzymes syrup for 1-2 months, Darolac 1 capsule once a day for 1 month.
For instance, Menu for 1 day:
1. Alu tiki or mashed potato 200.0 with butter 5,0
Egg every alternative day
2.Sandvich
3.Vegetable soup with rice or dal or noodles,olive oil 5,0
4.Yogurt blended with 50,0 of curd, fruits.
5.Milk porridge with buckwheat,rice,
musli,oat,
corn or sudgi. You can give pumpkin or rice kheer