my baby boy is 16 months old but he is still 8.4 kg .how to increase waight?pls pls pls help.

A. give high protein dals pulses beans, egg chicken fish soya, nuts, oil seeds powder full cream top milk as curd paneer cheese, used milk to prepare baby food but avoid bottle feeding ghee on top of food consistency of food should not be very thin and watery otherwise child will not get enough energy