A massive domed masonry structure to the west of Sikander Bagh near Hazratganj, Shahnajaf Imambara is also known as Najaf-e-Ashraf. It gets its name after the city Najaf in Iraq where there is the tomb of Hazrat Ali. At Shahnajaf lie buried Nawab Gazi-ud-din Haidar and his wives including Mubarak Mahal, an European. During 1857, it was a stronghold of freedom fighters.