The correct answer is (a) Section 6.
Section 6 of the Waqf Act, 1995 states that:
“(1) The Tribunal shall have jurisdiction to determine all disputes relating to waqfs, including disputes regarding the validity of a waqf, the management of a waqf, the appointment of mutawallis, the alienation of waqf property, and the distribution of the income of a waqf.”
Section 9 of the Act deals with the appointment of a Commissioner to investigate disputes. Section 7 deals with the powers of the Tribunal to summon witnesses and documents. Section 10 deals with the appeals against the orders of the Tribunal.
I hope this helps!