As per the definition of undue influence under the Contract Act a person is deemed to be in a position to dominate the will of another________________

Section 16. "Undue influence" defined: (2) In particular and without prejudice to the generality of the foregoing principle, a person is deemed to be in a position to dominate the will of another--(a) where he holds a real or apparent authority over the other, or where he stands in a fiduciary relation to the other; or (b) where he makes a contract with a person whose mental capacity is temporarily or permanently affected by reason of age, illness, or mental or bodily distress.