Who was appointed Chief Justice of the Calcutta High Court in May 2023?

Correct option is C

In May 2023, Justice T. S. Sivagnanam was appointed as the Chief Justice of the Calcutta High Court. So, the correct answer is (c) T. S. Sivagnanam.
About Calcutta High Court:
 The Calcutta High Court is the oldest High Court in India. It is located at Esplanade Row West, Kolkata, West Bengal. It has jurisdiction over the state of West Bengal and the Union Territory of the Andaman and Nicobar Islands. 
 It was established in 1862