An interesting book giving us a glimpse into the domestic world of the Mughals is the _________ written by Gulbadan Begum.

Humayun Nama

The correct answer is Option (2) → Humayun Nama

Humayun Nama- An interesting book giving us a glimpse into the domestic world of the Mughals is The Humayun Nama written by Gulbadan Begum. Gulbadan was the daughter of Babur, Humayun’s sister and Akbar’s aunt. Gulbadan could write fluently in Turkish and Persian.
It was in c. 1587 that Gulbadan Begum began to write the Humayun Nama.

Babur's successor, Nasiruddin Humayun (1530-40, 1555-56) expanded the frontiers of the empire, but lost it to the Afghan leader Sher Shah Sur, who drove him into exile. Humayun took refuge in the court of the Safavid ruler of Iran. In 1555 Humayun defeated the Surs, but died a year later.