If he is already speaking few words,she can
speak well after he attains four and half years age.
Or some children speak after 5years of age.Dont worry.
I am telling this after seeing so many children in my
1.Place him in sunlight daily for 10 mins.
2.Massage his body with water morning and evening
3.Make the child to follow veganism method.
Veganism means avoiding milk,curd,buttermilk,coffee,
tea,icecreams,chocolates,nonveg,fish and eggs.
please see articles in internet by typing in google-kumrao99