( 1 ) THE first respondent - Joint Collector in exercise of powers under Section 9 of A. P. Rights in Land and Pattadar Pass Books Act, 1971 (for short the Act ) issued the proceedings bearing Re. No. D2. 2734/99 dated 18-10-2000 (by inadvertence in the writ prayer the date of order is mentioned as 18-1-2000 ). The effect of the impugned order is that the pattadar pass book issued to the petitioner herein exclusively stood cancelled. These proceedings of the joint collector which are quasi-judicial in nature are challenged in this writ petition.

( 2 ) IN a petition for writ of certiorari challenging a quasi-judicial order, demonstrable grave error apparent on the face of the record alone is a ground to nullify the order. The second respondent filed a revision petition under Section 9 of the Act inter alia contending that the Mandal revenue Officer (MRO), Agiripalli and the village Administrative Officer (VAO) of pothavarapupadu Village in collusion with the petitioner herein managed to change the revenue records by placing the name of the petitioner instead of second respondent s name. The first respondent issued a show cause notice dated 18-8-2000. After receiving