Best would be that you start talking with him. Show him English moviesnfor kids, read English books. English rhymes and slowly he wkll take interest.

Hi vandana Ap usey Phle ek ek word daily routine me sikhaye.<br> Usse Khud eng me baat kre hello come here <br> How's your day Usey Ese bcho k sath lejaye jo eng me bat kre so that usko wesa mahol milega to wo nhi slowly bolne lgega. sbse Phle ap uske sath bat kre