my baby is not gaining weight property his birth weight was 3kgs n now he is 8.5to9kg .. help me how many mills I should offer .. n which foods I should include to gain weight

A. U Should increase the amount of proteins into your child’s daily diet healthy fats and proteins are going to be good enough to go for along with that if you need you can always take a consultation from a nutrition is they can always guide you with a good diet plan for the child