A pre-emption right, or right of pre-emption, is a contractual right to acquire certain property newly coming into existence before it can be offered to any other person or entity.[1] Also called a "first option to buy."A right to acquire existing property in preference to any other person is usually referred to as a right of first refusal.
Article 137: (Art. 178 of the Act of 1908):
The period of limitation for any other application for which no period of limitation is provided elsewhere in this Division is three years and the limitation commences from the date when the right to apply accrues.
Article 137 of the Limitation Act, 1963 is applicable to applications both under the Civil Procedure Code and under the Special Acts. Article 137 constitutes the residuary Article in regard to applications.
She might have taken innocence of this sale deed as an excuse to file this suit.