Option b is the correct answer. The court historian of Mahmud of Ghazni was Uthu Abu Nasr Muhammad ibn Muhammad al Jabbar (b) commonly known as Al-Uthi, was the Ithdarian, who served as Mahmud of Ghazni's secretary and chronicled the history of Mahmud's reign. Al-Uthi wrote the Tarikh Yamini, a historical work in Arabic, which covers the reigns of Sebuktigin and Mahmud, detailing their expeditions and conquests. Important Tips Famous court historian: Hasan Nizami, a Persian poet and historian of the 12th-13th centuries, migrated from Nishapur to Delhi, during the rule of Qutb al-Din Aibak,. He authored "Tajul-Ma'asir," the first official history of the Delhi Sultanate. His ornate style, influenced by Arabic prose and poetry, painted a detailed account of Muslim conquests in India, despite occasional imaginative embellishments. The work highlighted Qutb al-Din Aibak's achievements, starting with the Second Battle of Tarain. Chand Bardai, an Indian poet, penned "Prithviraj Raso," an epic in Brajbhasa depicting Chahamana king Prithviraj Chauhan's life. The poem, portraying Bardai as Prithviraj's court poet, narrates the defeat at the Second Battle of Tarain and an unsupported tale of Bardai aiding Prithviraj's revenge against Muhammad of Ghori.