my son is very thin...not gaining weight..pls help

A. Hai good morning !! What about baby height and other growth parameters.. If you observe kid is not growing according to age then consult paediatrician . Give protein rich,calorie rich foods for weight gaining . Banana,mango,potato,beans,peas ,dal(moongdal,urad dal,chana dal,rajma),idly,urad dal ladoo,ghee,cheese,butter,dry fruits and nuts ,egg,meat helps in increasing weight.