Correct Answer: Haji Begum

Solution : The answer is Haji Begum.

The most well-preserved Mughal structure in Delhi with Persian architecture is the Humayun's tomb. The tomb was crafted by Mirak Mirza Ghiyas in the middle of a quadrilateral Chahar Bagh garden (Persian style). In Delhi, Haji Begum built Humayun's tomb. Following her participation in the Hajj, Bega Begum gained the title of Haji Begum.