why my baby is not gaining weight can I give fruits to the baby which fruit is best for weight gain and food

A. hi well , weight gaining of such young babies depends on their birth weight ideally,he or she should gain double his/her brith weight by the age of 6 months so first ensure that your child weighs enough (4 to 6 kg) or not and for Healthy weight gain,it will be best to feed fruits like apple, banana, papaya, etc