Mohan, who separated from his father Krishan, sells to Raghav three fields, X, Y and Z, representing that Mohan is authorized to transfer the same. Of these fields, Z does not belong to Mohan, it having been retained by

Where, a person fraudulently or erroneously represents that he is authorised to transfer certain immoveable property and professes to transfer such property for consideration, such transfer shall, at the option of the transferee, operate on any interest which the transferor may acquire in such property at any time during which the contract of transfer subsists. (Section 43 of Transfer of Property Act) This is known as the Doctrine of feeding the grant by Estoppel. Nothing in this Section shall impair the right of transferees in good faith for consideration without notice of the existence of the said option. So based on the Doctrine of Estoppel in his case, Raghav can require Mohan to transfer field Z to him after Krishna's death as he has not rescinded the contract.