Can a donee make his spouse gpa holder for the property gifted by father

A 20-year-old gift deed can be revoked or cancelled under certain circumstances.

1. Revocation: If the donor (the person who made the gift) and the donee (the person who received the gift) agree to revoke the gift deed, they can do so by executing a revocation deed. 

2. Cancellation: If the gift deed was obtained by fraud, coercion, or misrepresentation, the donor can file a suit for cancellation of the gift deed. 

Regarding the second question, the donor can revoke the gift deed alone without the consent of the donee, but only under specific circumstances, such as: - 

If the gift deed specifies that it is revocable -

 If the donee has committed a breach of trust or violated the terms of the gift deed -

 If the gift deed was obtained by fraud, coercion, or misrepresentation Regarding the third question, a donee can make his spouse a GPA (General Power of Attorney) holder for the property gifted by his father.

However, the GPA holder's rights are limited to managing the property and do not transfer ownership. 

Regarding the fourth question, a registered General Power of Attorney of a property in India is valid until: -

 It is revoked by the principal (the person who granted the GPA) -

 The principal becomes mentally incapacitated - The principal dies - The GPA holder becomes mentally incapacitated or dies.

A registered  gift deed can not be revoked by donor however he may file civil suit for cancellation of gift deed before civil court on ground of fraud, coercion and cheating.

Yes donee can execute GPA in favour of his wife for needful action in regards to gifted property. 

Registered POA holder on basis of power of attorney can do and act  on behalf of principal and his act will be deemed as done by principal.