How did Shahjahan Begum conserve Sanchi stupa?

Question 17:How did Shahjahan Begum conserve Sanchi stupa?

The correct answer is -i. The rulers of Bhopal, Shahjahan Begum and Sultan Jehan Begum,
provided money for the preservation of the ancient site.
ii. John Marshall dedicated his important volumes on Sanchi to Sultan
Jehan.
iii. She funded the museum that was built there as well as the guesthouse
where John Marshall lived
iv. She also funded the publication of the volumes written by John Marshall.
v. Any other relevant point
Any two points