Explanation:

A circuit bench of the Patna High Court was established at Ranchi on 6 March 1972 under clause 36 of the letters patent of the Patna High Court. The Circuit bench became the Permanent Bench of the Patna High Court, by the High Court at Patna (Establishment of Permanent Bench at Ranchi) Act 1976 (Act 57 of 1976) on 8 April 1976. This Permanent Bench finally became the Jharkhand High Court on reorganisation of Bihar state on 15 November 2000.