Yes, a gift deed can be challenged after execution in Mumbai, though the grounds for doing so are specific and require solid evidence. Under the Transfer of Property Act, 1882, a gift deed can be revoked or challenged if it was executed under fraud, coercion, undue influence, or misrepresentation, or if the donor lacked the mental capacity or legal competence to make the gift.

To challenge a gift deed, you must file a civil suit seeking cancellation under Section 31 of the Specific Relief Act, presenting evidence such as medical records (in capacity-related challenges), witness testimony, or documentation showing pressure or deception at the time of execution. Courts examine the circumstances of execution closely, including whether the donor understood and voluntarily consented to the transfer.

It's worth noting that a gift deed cannot be challenged merely because the donor later regrets the decision — genuine legal grounds like fraud or incapacity must be established. Registered gift deeds carry a presumption of validity, so the burden of proof lies with the person challenging it.

Given the evidentiary threshold involved, it's advisable to consult experienced advocates before initiating proceedings; Aapka Legal Advice can help assess whether your case has strong grounds for challenging the gift deed.

With the right evidence and legal strategy, challenging a gift deed after execution in Mumbai is a realistic path when genuine grounds exist.