Committee constitution under section 86(1A) updates appellate appeal jurisdictions and adds Director General (Service Tax) reference. The notification amends the committee composition and territorial jurisdiction under section 86(1A) by substituting the Mumbai committee to include the Chief Commissioner of Central Excise, Mumbai-I; the Director General (Service Tax), Mumbai; and the Commissioner, Large Taxpayers Unit, Mumbai; and by inserting a Delhi committee comprising the Chief Commissioners for Delhi and Chandigarh and the Commissioner, Large Taxpayers Unit, Delhi. The Explanation is amended to add the Director General (Service Tax) to the list of notified authorities.