22Contract caused by mistake of one party as to matter of fact.
Section 22 · Chapter II · page 16 of the Act
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.
Chapter II · Of Contracts, Voidable Contracts and Void Agreements
Section 22 of The Indian Contract Act, 1872 is reproduced in full above, as printed by India Code, with its footnotes and amendment markers. Read the whole Act, or browse every Act on Mera Samvidhaan.