my baby boy is 13 months old n he weighs 8.6 kgs , he is very active but looks thin n weak, he doest eat properly what to do

A. Then Try to find a way to feed your child maybe you can just feed your child an open balcony maybe you can feed your child while doing some activity you know you just have to basically distract your child and keep your child busy into some activity and then try to feed the child