Agreements under Indian Contract Act, 1872

Agreements form the foundation of contract law in India. Every commercial transaction, service arrangement, employment understanding, lease, or business relationship begins with an agreement. The Indian Contract Act, 1872 lays down the legal framework governing agreements and determines when an agreement becomes legally enforceable.
This article provides detailed subject-wise notes on agreements under the Indian Contract Act, 1872. It explains the statutory provisions, essential elements, types of agreements, and important judicial interpretations in a structured and easy-to-understand manner.
Meaning of Agreement under the Indian Contract Act, 1872
Section 2(e) of the Indian Contract Act, 1872 defines an agreement as:
“Every promise and every set of promises, forming the consideration for each other.”
This definition makes it clear that an agreement consists of:
- A promise or set of promises
- Consideration for each other
Section 2(b) further clarifies that when a proposal is accepted, it becomes a promise. Therefore, an agreement is formed when:
- One party makes a proposal
- The other party accepts it
- There is consideration between them
Not every agreement becomes a contract. According to Section 2(h), an agreement enforceable by law is a contract. Thus, enforceability is the key element that converts an agreement into a contract.
Essential Elements of a Valid Agreement
For an agreement to be legally enforceable, it must satisfy the conditions laid down under Section 10 of the Act. The essential elements are as follows:
Offer and Acceptance
There must be a lawful proposal made by one party and lawful acceptance by the other. The acceptance must:
- Be absolute and unqualified (Section 7)
- Be communicated properly
- Correspond exactly with the terms of the offer
If acceptance modifies the offer, it amounts to a counter-offer and not acceptance.
Lawful Consideration
Consideration means something in return for the promise. It may be:
- Money
- Goods
- Services
- An act or abstinence
Section 25 provides that agreements without consideration are void, subject to certain exceptions.
Competency of Parties
Section 11 states that every person is competent to contract if:
- The person has attained majority under the Majority Act, 1875
- The person is of sound mind
- The person is not disqualified by law
An agreement with a minor is void.
Section 12 explains soundness of mind. A person must be capable of understanding the contract and forming a rational judgement regarding its effect.
Free Consent
Consent must not be obtained by:
If consent is not free, the agreement may become voidable.
Lawful Object
The object of the agreement must not be unlawful. Under Section 23, an object is unlawful if it is:
- Forbidden by law
- Fraudulent
- Opposed to public policy
- Immoral
Communication of Proposal and Acceptance (Sections 3–9)
The formation of an agreement depends upon proper communication.
Section 3 – Communication of Proposal and Acceptance
Communication may be made:
- By words spoken or written (express communication)
- By conduct (implied communication)
Clear communication ensures certainty and prevents disputes.
Section 4 – When Communication is Complete
Communication of proposal is complete when it comes to the knowledge of the person to whom it is made.
Communication of acceptance is complete:
- As against the proposer, when it is put in course of transmission
- As against the acceptor, when it comes to the knowledge of the proposer
This provision becomes important in cases involving postal communication.
Section 5 – Revocation of Proposal and Acceptance
A proposal may be revoked at any time before the communication of acceptance is complete as against the proposer.
Acceptance may be revoked before the communication of acceptance is complete as against the acceptor.
Section 6 – Revocation How Made
A proposal may be revoked by:
- Notice of revocation
- Lapse of time
- Failure to fulfil a condition precedent
- Death or insanity of the proposer (if known before acceptance)
These provisions ensure flexibility before the agreement becomes binding.
Section 7 – Acceptance Must Be Absolute
Acceptance must be unconditional and absolute. If acceptance is qualified, the proposer may reject it.
Section 8 – Acceptance by Performance
Performance of the conditions of a proposal or acceptance of consideration amounts to acceptance.
Section 9 – Express and Implied Promises
Promises may be:
- Express – made by words
- Implied – inferred from conduct
An agreement may accordingly be express or implied.
Types of Agreements under the Indian Contract Act, 1872
The Act recognises different kinds of agreements depending upon their enforceability and legal effect.
Valid Agreement
A valid agreement satisfies all the requirements of Section 10 and is enforceable by law. Once enforceable, it becomes a contract.
A valid agreement contains:
- Lawful consideration
- Competent parties
- Free consent
- Lawful object
Void Agreement
Section 2(g) defines a void agreement as:
“An agreement not enforceable by law is said to be void.”
A void agreement has no legal effect from the beginning.
Agreements Expressly Declared Void
Sections 24 to 30 declare certain agreements void.
Section 24 – Unlawful Consideration or Object
If part of the consideration or object is unlawful, the agreement is void.
However, if the lawful part can be separated from the unlawful part (doctrine of severability), the lawful portion may remain enforceable.
In Bank of India Finance Ltd. v. Custodian (1997), the Supreme Court upheld transactions already executed despite violations of certain guidelines.
Section 25 – Agreement Without Consideration
Agreements without consideration are void, except in cases where:
- It is made out of natural love and affection
- It is a promise to compensate for voluntary services
- It is a promise to pay a time-barred debt
In Rajlukhy Dabee v. Bhootnath Mookerjee (1900), absence of genuine love and affection resulted in the agreement being void.
Section 26 – Agreement in Restraint of Marriage
Any agreement restraining a person from marrying is void, except restraint of a minor.
Section 27 – Agreement in Restraint of Trade
Any agreement restraining a person from carrying on a lawful profession, trade or business is void.
Exception: Sale of goodwill may include reasonable restraint.
In Madhub Chander v. Raj Coomer (1874), restraint of trade was held void.
Section 28 – Agreement in Restraint of Legal Proceedings
Agreements restricting legal remedies are void, except:
- Arbitration agreements
- Certain guarantee agreements
Section 29 – Uncertain Agreements
Agreements whose meaning is uncertain or incapable of being made certain are void.
Section 30 – Wagering Agreements
Agreements by way of wager are void.
A wagering agreement involves:
- Uncertain future event
- Mutual chances of gain or loss
- No other interest in the event
Wagering Agreements
A wagering agreement is based purely on speculation. Both parties stand to win or lose depending on an uncertain future event.
Essential elements:
- Uncertainty of event
- Equal chances of gain or loss
- No control over event
- No interest except winning or losing
All wagering agreements are void under Section 30.
Contingent Agreements (Section 31)
A contingent contract is a contract to do or not to do something if an uncertain future event happens or does not happen.
Essentials:
- Valid contract
- Dependent on uncertain future event
- Event is collateral
- Event not dependent on promisor’s will
Voidable Agreement
A voidable agreement is enforceable at the option of one party but not the other.
Under Section 19 and 19A, agreements become voidable if consent is obtained by:
- Coercion
- Fraud
- Misrepresentation
- Undue influence
Section 53 also makes contracts voidable if one party prevents the other from performing reciprocal promises.
A voidable agreement remains valid until rescinded.
Express and Implied Agreements
Under Section 9:
- Express agreements are made by spoken or written words.
- Implied agreements arise from conduct.
Both are legally recognised if essentials are satisfied.
Illegal Agreements
An illegal agreement involves unlawful object or consideration.
Every illegal agreement is void. However, every void agreement is not illegal.
Illegal agreements are forbidden by law and may attract penalties.
Agreement to Do Impossible Act (Section 56)
An agreement to perform an impossible act is void.
If a contract becomes impossible after formation, it becomes void due to frustration.
Are Agreement and Contract Same?
The terms “agreement” and “contract” are often used interchangeably in common language. However, under the Indian Contract Act, 1872, they are not identical. Every contract is an agreement, but every agreement is not a contract. The difference lies in enforceability.
An agreement is defined under Section 2(e) as every promise and every set of promises forming consideration for each other. A contract, under Section 2(h), is an agreement enforceable by law. Therefore, legal enforceability is the distinguishing factor.
| Basis of Distinction | Agreement | Contract |
| Definition | Defined under Section 2(e) as promise or set of promises forming consideration | Defined under Section 2(h) as agreement enforceable by law |
| Enforceability | May or may not be enforceable | Always enforceable unless void or voidable |
| Legal Obligation | Does not necessarily create legal obligation | Creates legally binding obligation |
| Scope | Wider term | Narrower term |
| Essential Elements | May lack essential elements | Must satisfy Section 10 requirements |
| Legal Remedy | No remedy if not enforceable | Legal remedy available on breach |
- Meaning: An agreement refers to a mutual understanding between two or more parties based on promises and consideration. A contract is an agreement that creates legally binding obligations.
- Enforceability: An agreement may or may not be enforceable by law. A contract is always enforceable by law unless declared void or voidable under specific provisions.
- Legal Obligation: An agreement does not necessarily create a legal obligation. A contract creates a legal duty that can be enforced in a court of law.
- Scope: The term “agreement” has a wider scope because it includes all promises and understandings. A contract has a narrower scope as it includes only those agreements which satisfy the requirements of Section 10.
- Validity Requirements: An agreement may lack essential elements such as free consent, lawful object, or competency of parties. A contract must fulfil all essential elements prescribed under the Act.
- Legal Consequences: Breach of a mere agreement does not always result in legal action. Breach of a contract gives rise to legal remedies such as damages or specific performance.
Thus, enforceability by law is the key element that transforms an agreement into a contract under the Indian Contract Act, 1872.
Conclusion
Agreements under the Indian Contract Act, 1872 form the backbone of contractual relationships in India. The Act clearly distinguishes between valid, void, voidable, contingent, wagering and illegal agreements. It also lays down detailed provisions regarding communication, acceptance and revocation.
Understanding the nature and classification of agreements ensures clarity in commercial and personal transactions. Courts consistently examine enforceability, free consent, lawful object and consideration before granting relief. Only agreements satisfying statutory requirements become contracts enforceable by law.
Note: This article was originally written by Dharmika (Amity University, Noida) on 14 May 2021. It was subsequently updated by the LawBhoomi team on 24 February 2026.
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