P. Naveen Rao, J.

1. Heard Sri M.A. Qureshi, learned Counsel for petitioners, learned Government Pleader for Revenue (TG) for respondents 1 to 3, Sri M.A. Mujeeb, learned Counsel for respondent No. 4 and Sri K. Jamali for respondent No. 5. Petitioners claim to be lawful owners and in possession of portion of house property, details of which are mentioned in Paragraph 2 of affidavit filed in support of writ petition. In Paragraph 3 of affidavit, petitioners traced the flow of title. According to petitioners, on 26.9.2016, they have applied for building permission to the Greater Hyderabad Municipal Corporation. Accordingly, building permission was granted and they are undertaking construction of building as per permission granted. In this writ petition, petitioners challenge deed of cancellation of previously registered deed of conveyance executed by their vendor executed by Chief Executive Officer, Telangana State Wakf Board and registered by the Joint Sub-Registrar-I, Banjara Hills, Hyderabad.

2. Learned Counsel for petitioners would submit that unilateral cancellation is illegal, contrary to Rule 26(i)(k)(i) of A.P. Registration Rules, 1960; law laid down by Supreme Court in