8 months old baby weight is 6.3 kgs and her birth weight is 2 kgs

A. Mam we talk as per general standard this is a decent weight gain because by the age of eight once a child should be at least 4 kg more than the weight so which is there but since your child was born with low weight gain which is why a normal standard when we talk this less you need to pull up the weight of your child with growing age