This writ petition has been filed questioning the final order dated 4.12.2010 issued by the respondent – District Registrar, Hyderabad South. The petitioners 1 and 2 have sold the property, a unit called 2nd floor of the building admeasuring 1425 Sq ft with undivided share of land of 120 sq yards in favour of the 6th petitioner herein. That Conveyance Deed was registered as Document No. 2515 of 2004 dated 30.6.2004. There is no dispute that the said Conveyance Deed has been properly stamped and it was registered after collecting the necessary registration fee. However, the petitioners 1 and 2 have realized that the undivided share in the land which is sought to be conveyed to the petitioner No. 6 is not 120 sq yards, but only 50 sq yards, corresponding to the extent of the unit of 1425 sq ft sold to her, and hence the petitioners 1 and 2 have executed a Rectification Deed on 26.3.2010. They presented the said Rectification Deed for the purpose of registration. The Sub Registrar has received the document, but kept it as pending document No. 212 of 2010. Subsequently, a notice was issued on 24.5.2010 holding that the Rectification Deed attracts Stamp Duty under Entry 47A of Schedule 1A of