Section 22 Contract Act: Contract caused by mistake of one party as to matter of fact

Section 22 of Indian Contract Act: Contract caused by mistake of one party as to matter of fact

Official Bare Act Text

Override / Mandate Mens Rea (Intent) Actus Reus (Conduct) Punishment Limitation Monetary

A contract is not voidable merely because it was caused by one of the parties to it being under a mistake as to a matter of fact.

Statutory Defined Terms in this Section: (Click any term for official legal definition)

Contract Sec 2(h)

Legal Commentary & Landmark Judgments: Section 22

Section 22 of the Indian Contract Act, 1872 establishes the commercial doctrine of objective certainty, providing that a contract is not voidable merely because one of the contracting parties entered into it under an erroneous unilateral belief of fact.

Core Legal Standard: Commercial commerce relies upon the enforceability of objective agreements.
Operational Mechanism: Under Section 22, a promisor who miscalculates market risk, makes an erroneous arithmetic calculation in a tender bid, or misjudges the commercial profitability of a transaction cannot escape contractual performance on the ground of their internal mistake.

A unilateral mistake will only vitiate a contract if it falls under established common law exceptions: (i) where the mistake is actively induced by fraud or misrepresentation of the counterparty under Sections 17–19; (ii) where the mistake concerns the fundamental identity of the counterparty, defeating consensus ad idem; or (iii) where the plea of 'non est factum' applies because the character of the signed instrument was completely mischaracterized.

Key Landmark Precedents:

Dularia Devi v. Janardan Singh, 1990 Supp SCC 216: The Supreme Court affirmed that while Section 22 protects valid contracts from unilateral error, the defense of non est factum renders an instrument totally void ab initio where an illiterate or vulnerable signatory is fraudulently induced to sign a deed differing radically in legal character from what was represented.
Haji Abdul Rahman Allarakhia v. The Bombay & Persia Steam Navigation Co. (1892) ILR 16 Bom 561: The court held that a party cannot obtain rectification or rescission of a charterparty agreement based on an isolated unilateral mistake regarding vessel sailing dates when the counterparty acted in good faith on the terms expressed in the written document.

Legal Commentary:

In public tenders, procurement auctions, and construction EPC contracts, bidders frequently attempt to retract quotation letters after bid opening citing unit rate miscalculations. Indian courts consistently apply Section 22 to uphold bid validity, enforcing the forfeiture of earnest money deposits (EMD) and bank guarantees. The risk of unilateral factual misjudgments is strictly borne by the mistaken bidder under the bedrock commercial rule of caveat subscriptor.

Section 22: Contract caused by mistake of one party as to matter of fact

Section 22 of Indian Contract Act: Contract caused by mistake of one party as to matter of fact

Legal Commentary & Landmark Judgments: Section 22