my baby is 20months old but her weight is 8.6is it okay for her age

A. Hello good evening !! If the baby is active and reaching milestones then don't worry about weight . Give protein ,calorie rich ,good fat foods for weight gain. Milk , ghee,cheese,butter,curd,paneer, nuts powder or ladoo, dals ,banana,egg,meat helps in regular meals helps in weight gain.