The 4 C’s of Contract Under the Indian Contract Act, 1872
- Ishika Bansal

- Dec 17, 2025
- 3 min read

Contracts form the backbone of modern legal and commercial relationships. Whether it is signing an employment letter, entering into a business deal, or purchasing property, contracts ensure clarity, accountability, and legal protection. While the Indian Contract Act, 1872 lays down detailed provisions for valid contracts, legal experts often simplify these essentials into what is popularly known as the “4 C’s of Contract”.
The 4 C’s — Competency, Consent, Consideration, and Contractual Legality, help in understanding whether an agreement is legally enforceable. If any one of these elements is missing, the contract may fail in the eyes of law.
What Is a Contract Under Indian Law?
As per Section 2(h) of the Indian Contract Act, a contract is “an agreement enforceable by law.” This means that not all agreements are contracts; only those that meet the legal requirements prescribed by the Act can be enforced by courts. The 4 C’s provide a simplified framework to check the validity of a contract.
1. Competency of Parties
The first “C” stands for Competency, which refers to the legal capacity of parties to enter into a contract.
Legal Provision
According to Section 11, a person is competent to contract if:
He or she has attained the age of majority
Is of sound mind
Is not disqualified by any law
Why Competency Matters
A contract entered into by a person who lacks legal capacity cannot be enforced. This rule protects minors and persons who are mentally incapable from exploitation.
Landmark Case Law: Mohori Bibee v. Dharmodas Ghose (1903)
The Privy Council held that a contract entered into by a minor is void ab initio, meaning it is void from the very beginning. Even if the minor misrepresents his age, the contract remains unenforceable.
2. Consent of Parties
The second “C” stands for Consent. Consent means that parties agree to the same thing in the same sense, which is known as consensus ad idem.
Legal Provision
Under Section 13, consent is said to exist when parties agree upon the same thing in the same sense. Section 14 further states that consent must be free and not caused by:
Coercion
Undue influence
Fraud
Misrepresentation
Mistake
Effect of Lack of Free Consent
If consent is not free, the contract becomes voidable at the option of the aggrieved party.
Case Law: Ranganayakamma v. Alwar Setti (1889)
A contract obtained under undue influence was declared voidable, highlighting the importance of free consent.
3. Consideration
The third “C” is Consideration, which means something in return for a promise.
Legal Provision
As per Section 2(d), consideration may be:
An act
An abstinence
A promise
Consideration must be lawful, real, and not opposed to public policy.
Importance of Consideration
Consideration distinguishes a contract from a mere promise. Without consideration, an agreement generally becomes void.
Case Law: Chinnaya v. Ramayya (1882)
The court held that consideration need not move directly from the promisee, reinforcing the flexible nature of consideration under Indian law.
4. Contractual Legality (Lawful Object & Enforceability)
The fourth “C” represents Contractual Legality, which ensures that the contract is lawful and enforceable.
Legal Provision
Under Section 23, a contract is unlawful if:
Its object is forbidden by law
It defeats the provisions of any law
It is fraudulent or immoral
It is opposed to public policy
Examples of Illegal Contracts
Agreements for illegal trade
Contracts involving bribery
Agreements restraining lawful trade
Case Law: Gherulal Parakh v. Mahadeodas Maiya (1959)
The Supreme Court held that only agreements that clearly violate public policy or law can be declared void.
How the 4 C’s Work Together
For a contract to be valid:
Parties must be competent
Consent must be free
Consideration must exist
The contract must be lawful
Even if three elements exist, the absence of one can invalidate the entire contract.
Practical Importance of the 4 C’s
The 4 C’s help:
Lawyers in drafting strong agreements
Businesses in reducing disputes
Courts in determining enforceability
Individuals in understanding their legal rights
They act as a quick legal checklist before entering into any contractual relationship.
Conclusion
The 4 C’s of Contract — Competency, Consent, Consideration, and Contractual Legality, form the foundation of a valid contract under the Indian Contract Act, 1872. These principles ensure fairness, legality, and accountability in contractual relationships. By understanding and applying these elements, individuals and organizations can safeguard themselves from legal risks and ensure their agreements stand firm in the eyes of law.




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