Explanations:The Delhi Sultanate was a period of Muslim rule in India that lasted from the 13th to the 16th century. During this time, several historical texts were written that provide valuable information about the political, social, and cultural aspects of the period. Among these texts, "Tarikh-i-Firozshahi" by Ziauddin Barani is particularly significant for its detailed account of the Delhi Sultanate, especially the reign of Firoz Shah Tughlaq.
Ziauddin Barani was a prominent historian and scholar who lived during the reign of Firoz Shah Tughlaq. His work, "Tarikh-i-Firozshahi," is a primary source that provides a comprehensive account of the Delhi Sultanate, including the political events, administrative policies, and social conditions of the time. Barani's work is considered one of the most important historical sources for understanding the Delhi Sultanate, particularly the period under Firoz Shah Tughlaq.
Other historical texts mentioned in the options, such as "Miftab-i-Futuh" by Amir Khusrau, "Tabaqat-i-Nasiri" by Minhaj-us-Siraj, and "Futuhat-i-Firozshahi" by Firoz Tughlaq, are also significant but have different focuses. "Miftab-i-Futuh" primarily deals with the conquests of Alauddin Khalji, "Tabaqat-i-Nasiri" covers the early Delhi Sultanate period, and "Futuhat-i-Firozshahi" is an autobiography of Firoz Shah Tughlaq, providing a more personal account of his reign.
Understanding the historical context and the specific focus of each text is crucial for identifying the most relevant source for information about the Delhi Sultans. "Tarikh-i-Firozshahi" by Ziauddin Barani stands out as the most comprehensive and reliable source for the period, making it the correct answer to the question.