S. 263 : Commissioner-Revision of orders prejudicial to revenue-Amalgamation- Depreciation-Demerger-Goodwill-Difference between net assets and shares to be issued credited as goodwill and depreciation allowed – Scrutiny assessment- Order of Tribunal setting aside revision order was affirmed.[S. 32(1), 43(6), Expln. 3(b), 143(3), 260A]