Indian Evidence Act, 1872
115. Estoppel
When one person has,
by his declaration, act or omission, intentionally caused or permitted another
person to believe a thing to be true and to act upon such belief, neither he
nor his representative shall be allowed, in any suit or proceeding between
himself and such person or his representative, to deny the truth of that thing.
Illustration
A
intentionally and falsely leads B to believe that certain land belongs to A,
and thereby induces B to buy and pay for it.
The land afterwards
becomes the property of A, and A seeks to set aside the sale on the ground
that, at the time the sale, he had not title. He must not be allowed to prove
his want to title.