the remedies available are compensation ,specefic performance and in case of preventive relief injunctions
the specific performance principles meand after breach the remedy ask by the party can be the performance mandatory.

the legal postion is govern by limitation act 1965
that if the possessor has opted the property for a definite period of 12 or more then he became the legal possessor despite not being the owner by the virtue of adverse possession on private land .
unless the owner shows a better title as per the jurisprudence 9% of possession and 1% of ownership.

essentials conditions
as per the section 10 of the contract the donor should be major sound non disqualified by law and there should've the valid offer and acceptance and property should be existing and donor should be owner of the property.
revocation of gift by section 126
by mutual agreement
by death of owner if property not accepted
if not a valid consent as per section 13 of contract.