The correct answer is (B) Arunachal Pradesh
On October 29, Justice A.S. Bopanna has recently taken oath as the new Chief Justice of the Guwahati High Court. He took charge from the acting Chief Justice AK Goswami. The Guwahati High Court was established on 1 March 1948 after the Government of India Act 1935 was passed. It has largest jurisdiction in terms of states, with its area covering the states of Assam, Arunachal Pradesh, Nagaland, and Mizoram. The principal seat of the High Court is at Guwahati in Assam.