Section 21A(2) in The Securities Contracts (Regulation) Act, 1956
(2)A listed company or an aggrieved investor may file an appeal before the Securities Appellate Tribunal against the decision of the recognised stock exchange delisting the securities within fifteen days from the date of the decision of the recognised stock exchange delisting the securities and the provisions of sections 22B to 22E of this Act, shall apply, as far as may be, to such appeals:Provided that the Securities Appellate Tribunal may, if it is satisfied that the company was prevented by sufficient cause from filing the appeal within the said period, allow it to be filed within a further period not exceeding one month.