A Permanent Lok Adalat is headed by?

Legal Services Authorities Act, 1987 S. 22B. Establishment of Permanent Lok Adalats.— (1) Notwithstanding anything contained in section 19, the Central Authority or, as the case may be, every State Authority shall, by notification, establish Permanent Lok Adalats at such places and for exercising such jurisdiction in respect of one or more public utility services and for such areas as may be specified in the notification. (2) Every Permanent Lok Adalat established for an area notified under sub-section (1) shall consist of— (a) a person who is, or has been, a district judge or additional district judge or has held judicial office higher in rank than that of a district judge, shall be the Chairman of the Permanent Lok Adalat;