(1) Notwithstanding anything to the contrary contained in section 82,

a Joint Commission may be constituted by an agreement to be entered into -

1. (a) by two or more Governments of States; or
2. (b) by the Central Government, in respect of one or more Union territories, and one or more Governments of States,

Provided that the Joint Commission, constituted under section 21 A of Electricity Regulatory Commi ssions Act, 1998 and functioning as such immediately before the appointed day, shall be the Joint Commission for the purposes of this Act and the Chairperson, members, Secretary and other officers

which they were appointed under the Electricity Regulatory Commissions Act,