Shahjehan Begum, the Begum (queen) of Bhopal, ruled from 1868 to 1901 CE. She is remembered for her significant contributions to the preservation of historical and cultural heritage, most notably for her efforts in preserving the Sanchi Stupa, a key Buddhist monument.
Her administration focused on the conservation of ancient monuments, and she is often credited with revitalizing the Sanchi Stupa, ensuring its survival for future generations. This shows her dedication not only to governance but also to cultural preservation.
Thus, the correct answer is (B) Shahjehan Begum.