hello sir...my child is 3years 11 month old but still his weight is 11 kg ..please tell me what do to..he is very active child

A. Namaste Mom , Some varaition is acceptable as far as they are active for their age and also eating healthy and well balanced diet as well, give the child foods such as eggs , dry fruits , nuts and seeds, fresh fruit milk shakes, panner, ghee, soya , tofu, dals, chana, rajma etc stuff paranthas