I would like to know further like his speech and language development, also whether he likes to play with friends or likes to play alone?
Is his behaviour normal while in family functions or malls or in garden?
Next Steps
engage him in some constructive activities like clay activity, coloring activities or block building.
keep patience. Listen to his issues. noone from family should shout or get angry on him.
Health Tips
if same thing persist... show him to child psychologist or developmental pediatrician.