Humayun's Tomb in Delhi was commissioned after his death by his widow:

Humayun's Tomb in Delhi was commissioned by Humayun's senior widow, Bega Begum (also known as Haji Begum), in about 1565, nine years after his death.

About the tomb:

• It is located in the Nizamuddin area of Delhi, near the dargah of the Sufi saint Nizamuddin Auliya.
• It was built between about 1565 and 1572.
• It was designed by the Persian architect Mirak Mirza Ghiyas (Mirak Mirza Ghiyath), and completed by his son, Sayyid Muhammad.
• It is said to have cost about 1.5 million rupees.
• It was built during the reign of Akbar, Humayun's son.

Features:

• It is built of red sandstone, decorated with white and black marble.
• It has a large double dome of white marble, raised on a high drum.
• It stands on a high platform in the middle of a large char bagh garden, divided into four parts by water channels and walkways.
• It shows a combination of Persian and Indian architectural styles.
• Its plan influenced later Mughal tombs, especially the Taj Mahal.
• It is called the "dormitory of the Mughals" because many members of the Mughal royal family are buried there, including Dara Shikoh.
• It was declared a UNESCO World Heritage Site in 1993.

About Bega Begum:

• She was one of Humayun's wives, and she accompanied him in his campaigns.
• She was captured by Sher Shah's forces after the battle of Chausa, but later returned.
• She performed the Hajj pilgrimage to Mecca, which is why she was called "Haji Begum".
• She was buried in the tomb complex.

Humayun's death:

Humayun died in January 1556 after falling down the stairs of the Sher Mandal, his library in the Purana Qila, Delhi.

Why not the other options?

• ✗Hamida Banu Begum was Akbar's mother.
• ✗Gulbadan Begum was Humayun's sister.
• ✗Maham Anga was Akbar's foster mother.