Denial of excise exemption to unregistered small-scale units; no invocation of Section 11C and report requested. Denial of Central Excise duty exemption to unregistered small-scale/tiny units for the period 1-4-1992 to 21-5-1992 is the issue; on examination there is no case to invoke Section 11C, and field formations are directed to take necessary action and furnish their report to the Board.