Option b is the correct answer Sultana Chand Bibi (1550-1599 CE), an Indian ruler and warrior, served as Regent of Bijapur Sultanate (1580-1590) and Ahmednagar Sultanate (1595-1600) and not Oudh. Renowned for defending Ahmednagar against Mughal Emperor Akbar's forces in 1595, she displayed remarkable leadership during these periods of regency. Important Tips Qutb-ud-Din Bahadur Shah, a Muzaffarid sultan, ruled Gujarat Sultanate in India from 1526-1535 and 1536-1537. He expanded his realm, allied with Kolis and Abyssinians, but lost to Humayun in 153Later regaining power, he was killed by the Portuguese in 1537. Razia Sultana (d. 1240) was the first female Muslim ruler of the Delhi Sultanate, reigning from 1236 to 1240. Initially an able administrator, she faced nobles' opposition due to her assertiveness and nonTurkic appointments. Deposed, she briefly attempted a comeback, marrying a rebel, but was ultimately defeated and killed by her successor. Bayezid Baz Bahadur Khan, last Sultan of Malwa (1555-1562), was known for his romance with Roopmati. Neglecting governance, he was defeated by Akbar's forces, fled, and later surrendered, serving in Akbar's court. Mandu was his capital, with noth structures like Jahaz Mahal