my baby is 5 years old but his weight is very low 15 kg it's not increasing since last 3 years I'm not getting what is the reason could you suggest me what should I do

A. Maam it has been three years of the weight hasn’t increased at all you should have visited your doctor way back it could be associated with indigestion related issues constipation related issues and nutritional deficiency doctor can advise you best after examining and knowing the entire schedule and diet of your child