My baby is 5.6 years old n his weight is just 15 kg what should i give to him for weight increase??

Hi. I am sharing a few links with you, please go through them, hope they will help in your kid gaining weight and reach his ideal one. http://healthyeating.sfgate.com/kinds-food-make-children-gain-weight-7365.html http://www.indiatimes.com/health/tips-tricks/8-foods-for-weight-gain-in-babies-and-toddlers-237968.html http://www.wikihow.com/Increase-Weight-in-Children