Property tax implication

If the Property has not been registered yet, Include Your Son as another half owner of the Flat.

If the Property has already been Registered, I doubt transfer of Part of a Flat is admissible in the Registration Act.

Tax Implications : As a Gift by parent to a Major Child is exempt and not invite any trouble from Taxation

addional query:

if the property not yet registerd:

do i have to transfer 50% of the flat ammount from my sons account and withdraw equal ammount of my share to make him co-owner??which ways are u suggesting to make him co-owner?

if property already registerd:

u are suggesting GIFT as the onlty option right?,i shall not transfer if gift is tax neutral and easy option.

if i gift him 50%,is it revocable in future by me??