My baby weight is 8.300kg he is 1.2year old his birth weight is 2.5kg .I gave him proper food 4 time in a day plus 2 time drink any juice home made type . But between months he fell ill. What should I do to increase his weight so that he should internally fit

A. 8.3 is good weight as per his age n birth weight.. to increase immunity, give immunity booster food like-Eggs, youghrt, spinach, nuts like almond, wallnut, sunflower seeds, apple, and all seasonal fruits and vegetables and , oats, garlic, carrot, broccoli, butter, beans , orange,milk and milk products..