my baby is 3 year 9 month old,,,she is not gaining weight and also her hair growth is too less..so wt to do??

A. she is not gaining weight to improve give potato sweet potato ragi Dalia eggs banana dry fruits as cashew almond in paste or powdered form ghee butter cheese in moderate amount follow good hair care routine as oil massage wash at least twice a week with mild shampoo egg mask or curd mask