To secure the throne of Ghazni, Mahmud had to defeat his brother, named?
Q1. To secure the throne of Ghazni, Mahmud had to defeat his brother, named?
Answer: Ismail
Explanation: After his father Sabuktigin's death in 997 AD, the throne of Ghazni passed to Mahmud's younger brother Ismail; Mahmud then defeated Ismail in battle and seized the throne in 998 AD.