The parties had entered into Two Production Sharing Contracts dated 22nd December, 1994 (as amended by Amendment Agreement No.1 and Amendment Agreement No.2) (hereinafter referred to as “PSC” or “PSCs”) as and when appropriate. ... These two PSCs provide for the exploration and production of petroleum from the Mid and South Tapti Fields (hereinafter referred to as “Tapti” or “Tapri Field”) and for the exploration and production of petroleum from Panna and Mukta Fields which shall be hereinafter referred to either as “Panna Mukta” or “Panna Mukta fields”. The two PSCs shall be referred to “Tapti PSC” and “Panna Mukta PSC,” respectively.