S. Ravindra Bhat, J.

1. The sole question framed for consideration in these appeals is as follows :—

"Whether ITAT has rightly interpreted scope, power and jurisdiction of the Assessing Officer in block assessment proceedings and the term "undisclosed income?"

2. All the appeals arise out of the common order made by the ITAT. The Revenue contends that the direction of the ITAT to delete the amounts sought to be brought to tax under Section 153A of the Income Tax Act was unjustified. The assessees had purchased eight different properties; they are related to each other. The search operations were conducted in the premises of M/s Mehra Art Palace and its partners Arun Mehra, Subhash Mehra and Sushil Mehra on 27.03.1996. Mehra Art Palace was used to export as well as sell handicrafts in the domestic market. The allegations made by the Revenue against the firm and its partners were that the high profit margins enjoyed by it were concealed and only modest amounts were disclosed in the ITRs. After issuing notice, the AO taking into consideration the materials brought on the record referred the properties for valuation to the District Valuation Officer under Section 142A of the I