Will the court accept this arrangement?
Yes, the Court will willingly accept this offer, provided your wife is ready for this.
You are free to buy a property in the name of your minor son. If you desire, you may go for a joint purchase. In fact, I will suggest you to go for a joint purchase.
Will i get the tax rebate on the house purchased in name of the son?
No, there will be no rebate in stamp duty.