The correct answer is (a). Sikri was renamed Fatehpur Sikri after Akbar’s victory over Gujarat in 1573.
Gujarat was a wealthy and powerful kingdom in western India. Akbar had been trying to conquer Gujarat for many years, and his victory was a major turning point in his reign. The conquest of Gujarat gave Akbar control of a large and prosperous territory, and it also brought him into contact with new cultures and ideas.
Fatehpur Sikri was built to commemorate Akbar’s victory over Gujarat. It is a beautiful and impressive city, and it is one of the most important historical sites in India.
The other options are incorrect. Rajasthan was conquered by Akbar in 1568, and Mewar was conquered in 1572.