Correct option is B
The oath was administered by Justice Gita Mittal, the Chief Justice of the Jammu & Kashmir High Court, in a ceremony held at Sindhu Sanskriti Kendra, Leh.
Prior to this, Mathur served as the Chief Information Commissioner of India and held various key positions in the Indian Administrative Service.
Leh serves as the administrative capital of the Union Territory of Ladakh.
The UT comprises two districts – Leh and Kargil.