'Riyaz-us-Salatin', written by Ghulam Husain Salim in 1788, is regarded as the first complete history of Muslim rule in:

"Riyaz-us-Salatin" ("Gardens of the Sultans"), written in Persian by Ghulam Husain Salim in 1786-1788, is regarded as the first complete history of Muslim rule in Bengal.

About the author:

• Ghulam Husain Salim Zaidpuri was born at Zaidpur, in Awadh.
• He worked in Malda, Bengal, as a postmaster for an officer of the English East India Company, George Udney.
• He wrote the book at Udney's request.

About the book:

• It covers the history of Bengal from the conquest by the Turks (about 1204) to the time of the Nawabs and the early years of British rule (about 1770).
• It describes the Turkish governors, the independent sultans (such as the Ilyas Shahi and Husain Shahi dynasties), the Afghan rulers, the Mughal governors and the Nawabs.
• It also gives information about the geography, towns and monuments of Bengal.
• It was translated into English by Abdus Salam and published in 1902-04.
• It is an important source, though it is not always accurate for the early period.

About Muslim rule in Bengal:

• The Turks first established their rule in Bengal in the early 13th century.
• Bengal became independent of Delhi in the 14th century, under the Ilyas Shahi dynasty, with its capital at Pandua and later Gaur.
• Alauddin Husain Shah (1494-1519) was a famous ruler, a patron of Bengali literature.
• Akbar conquered Bengal in 1576.
• Under the Mughals, Dhaka (Jahangirnagar) became the capital for some time.
• In the 18th century, the Nawabs of Bengal became virtually independent, until the English took over.

Why not the other options?

• ✗Gujarat, Kashmir and Malwa have their own histories.