Fundamentals of Business Laws and Business Communication · Capacity of Parties, Free Consent

Undue Influence under Section 16 of the Contract Act

Updated 10 October 2026 · Fact-checked

Undue influence under Section 16 exists when one party is in a position to dominate the other's will and uses that position to gain an unfair advantage. The contract is voidable at the option of the weaker party. To solve questions, check the relationship, the domination, and whether the terms look unconscionable.

Understand Undue Influence (Sections 16 and 19A)

A contract needs free consent. Consent is not free if it is caused by coercion, undue influence, fraud, misrepresentation or mistake. Undue influence is about pressure from a position of power, not threats or lies.

Under Section 16, a contract is induced by undue influence when the relations between the parties are such that one is in a position to dominate the will of the other, and he uses that position to obtain an unfair advantage over the other. Both parts are needed: the position and the use of it.

A person is deemed to be in a position to dominate another's will in two main situations. First, when he holds a real or apparent authority over the other, or stands in a fiduciary relation to the other. Examples: parent and child, guru and disciple, doctor and patient, solicitor and client, trustee and beneficiary. Second, when he makes a contract with a person whose mental capacity is temporarily or permanently affected by age, illness, or mental or bodily distress.

The law also helps the weaker party with a presumption. If one party is in a position to dominate the other and the transaction appears unconscionable (so unfair that it shocks the conscience) on its face or on the evidence adduced, the law presumes undue influence. The burden then lies on the dominant party to prove that no undue influence was used. This presumption is without prejudice to Section 111 of the Evidence Act. Where the presumption does not arise, the weaker party must prove undue influence and the unfair advantage.

The effect is that the contract is voidable at the option of the party whose consent was not free. Under Section 19A, the court may set the contract aside either absolutely, or, if the party got any benefit, on terms and conditions the court thinks just. An ordinary relationship, such as employer and employee, does not by itself put one party in a position to dominate the other's will. Dominance must be shown on the facts, and the presumption still needs an unconscionable transaction.

Key formulas to remember

Section 16(1): Definition: Undue influence = Position to dominate the other's will + Use of that position to obtain an unfair advantage; Both elements must be present for the contract to be induced by undue influence.
Section 16(2): When a person is in a dominating position: (a) Real or apparent authority, or fiduciary relation; or (b) Contract with a person whose mental capacity is affected by age, illness or mental/bodily distress; Examples: parent-child, guru-disciple, doctor-patient, trustee-beneficiary. An ordinary employer-employee relationship does not by itself put one party in a position to dominate the other's will. Dominance must be shown on the facts.
Section 16(3): Presumption: Dominant position + Transaction appearing unconscionable (on its face or on the evidence adduced) ⇒ Presumed undue influence; burden of proof lies on the dominant party; The presumption is rebuttable and is without prejudice to Section 111 of the Evidence Act. It does not apply where no dominant position is shown.
Effect (Sections 19 and 19A): Contract is voidable at the option of the party whose consent was so caused; The court may set it aside absolutely, or on just terms if the party received any benefit.
Pardanashin women: Transaction with a pardanashin woman: the person dealing must show it was explained and was her free, informed act; This is the usual protective rule for such women in Indian law. Lack of independent advice weighs against the other party.

How to solve Undue Influence (Sections 16 and 19A) questions

Use this order for any scenario or theory question on undue influence.

1Identify the two parties and their relationship. Ask: does one hold real or apparent authority or a fiduciary role over the other?
2Check the second ground: was the weaker party ill, very old or in mental or bodily distress when the contract was made?
3Decide whether the dominant party actually used the position to gain an advantage. Mere position is not enough.
4Look at the terms. Do they appear unconscionable, on their face or on the evidence, such as an excessive interest rate or a gift of nearly all property?
5If both position and unconscionable terms exist, apply the presumption and put the burden of proof on the dominant party.
6If there is no dominating position, or the terms are fair, say the presumption does not arise and the weaker party must prove actual undue influence and unfair advantage.
7Conclude: the contract is voidable at the weaker party's option and the court may set it aside under Section 19A, on terms if a benefit was received.

Quickest way: Position, Use, Unfairness check

When to use it: For MCQs giving a short fact pattern and asking whether the contract is voidable or who must prove what.

Underline the relationship words: parent, guru, doctor, trustee, lender with a distressed borrower.
If there is no dominating relationship, eliminate options that mention presumption of undue influence.
If there is a relationship but the terms are fair, the presumption does not arise. The weaker party must prove actual undue influence and unfair advantage, which is unlikely, so prefer options that deny the presumption.
If there is a relationship and harsh terms, pick the option that puts the burden of proof on the stronger party.
Eliminate options saying 'void' or 'illegal'. The correct word is voidable.

Common mistakes in Undue Influence (Sections 16 and 19A)

Calling a contract caused by undue influence void instead of voidable.
Students link unfairness with invalidity and forget the option belongs to the weaker party.
Fix: Remember that all free-consent defects make the contract voidable. The weaker party chooses whether to rescind.
Presuming undue influence whenever parties have an employer-employee or buyer-seller relationship.
Students treat any unequal bargaining power as domination.
Fix: Presumption needs a dominating position, such as fiduciary relation or real or apparent authority, plus an unconscionable transaction.
Thinking the weaker party always has to prove undue influence.
Students know the general rule that the claimant proves the case and miss the exception.
Fix: Where the dominant position and unconscionable terms are shown, the burden shifts to the dominant party.
Confusing undue influence with coercion.
Both involve pressure on the person.
Fix: Coercion involves an act forbidden by the Indian Penal Code or unlawful detention of property, or a threat of it. Undue influence involves moral or mental domination through a relationship, with no threat needed.
Ignoring the unfair advantage and answering only on the relationship.
Students stop once they spot a parent or doctor.
Fix: Always confirm that the position was used to gain an unfair advantage. A fair gift or fair deal is not caught in the usual case, because the presumption does not arise and the weaker party would have to prove actual undue influence.
Assuming fair terms always rule out undue influence.
Students over-simplify the rule into 'fair price means valid contract'.
Fix: Fair terms mean the presumption does not arise. The weaker party can still try to prove actual undue influence and unfair advantage, but this is unlikely to succeed.
Forgetting that a distressed or ill person can be a victim even without a formal relationship.
Students only memorise fiduciary examples.
Fix: Remember the second limb: contracts with someone whose mental capacity is affected by age, illness or distress.

Worked examples

Example 1

Ramesh, an 80-year-old man in poor health, is looked after by his caretaker Suresh. Suresh gets Ramesh to sign a deed transferring his house worth ₹60,00,000 to Suresh for ₹1,00,000. Can Ramesh avoid the contract? Who must prove what?

Show the solution

Relationship: Suresh is a caretaker of a sick, elderly man. He is in a position to dominate Ramesh's will because Ramesh's capacity is affected by age and illness.
Use of position: Suresh obtained the deed while Ramesh depended on him.
Terms: A house worth ₹60,00,000 for ₹1,00,000 is unconscionable on its face.
Presumption: Since there is a dominating position and an unconscionable transaction, undue influence is presumed under Section 16(3).
Burden: Suresh must prove he did not use undue influence.
Effect: The contract is voidable at Ramesh's option, and the court may set it aside under Section 19A.

Answer: Yes. The contract is voidable at Ramesh's option. Undue influence is presumed and the burden of proving there was none lies on Suresh.

Example 2

Meena, a shop owner, sells goods to her employee Karan at a fair price. Later Karan says Meena used undue influence because she is his employer. Will Karan succeed?

Show the solution

Relationship: An ordinary employer-employee relationship does not by itself put Meena in a position to dominate Karan's will. Dominance must be shown on the facts, and nothing in these facts shows it.
Terms: The price was fair, so there is no unconscionable bargain and no unfair advantage was shown.
Presumption: Section 16(3) needs both a dominating position and a transaction that appears unconscionable. Neither is shown, so no presumption arises.
Burden: Because no presumption arises, Karan must prove actual undue influence and unfair advantage himself. The facts show a fair price and no pressure, so he is unlikely to succeed.

Answer: No presumption of undue influence arises, so Karan bears the burden of proving actual undue influence and unfair advantage. On these facts, with a fair price and no pressure, he is unlikely to succeed.

Exam tips

Questions often ask who bears the burden of proof. Link it to dominant position plus unconscionable terms.
Always use the word voidable. Options with void or illegal are usually traps.
Know typical dominating relationships: parent-child, guru-disciple, doctor-patient, solicitor-client, trustee-beneficiary.
For coercion versus undue influence, remember: coercion needs a forbidden act or threat; undue influence needs domination through a relationship.
Remember that pardanashin women get special protection, so the other party must show the transaction was explained and freely made.

Practice questions from Capacity of Parties, Free Consent

Undue Influence (Sections 16 and 19A): frequently asked questions

What is undue influence under Section 16?

It is when one party is in a position to dominate the other's will and uses that position to gain an unfair advantage. Consent is then not free, and the contract is voidable at the weaker party's option.

What is the difference between coercion and undue influence?

Coercion involves committing or threatening an act forbidden by the Indian Penal Code, or unlawfully detaining property. Undue influence involves mental domination arising from a relationship of trust or authority, without any such threat.

When does the law presume undue influence?

It presumes undue influence when one party is in a position to dominate the other's will and the transaction appears unconscionable, on its face or on the evidence adduced. The dominant party must then prove that no undue influence was used.

How is a contract with a pardanashin woman treated?

Courts take extra care with such contracts. The person dealing with her must show that the terms were explained to her and that she acted freely, ideally with independent advice.

What can the court do under Section 19A?

The court can set the contract aside completely. If the weaker party received any benefit, the court may set it aside on terms and conditions it considers just.