S. 263: Commissioner-Revision of orders prejudicial to revenue-
Assessment order passed pursuant to invalid satisfaction note-PCIT was not empowered to revise the assessment orders by relying on seized documents in respect of which the AO did not record any satisfaction in the satisfaction note-The assessment orders are ab initio void-Invalid orders cannot be subjected to revision-The order passed by the Principal CIT is not sustainable-The revision order was quashed and set aside. [S. 153C]