Effect of mistakes as to law.

A contract is not voidable because it was caused by a mistake as to any law in force in 1 India; but a mistake as to a law not in force in 1 India has the same effect as a mistake of fact. 2 * * * * * Illustration A and B make a contract grounded on the erroneous belief that a particular debt is barred by the Indian Law of Limitation; the contract is not voidable. 3 * * * * *