- You may be looking for the post-Time War army.
The Imperial Dalek Army was the army of the Dalek Empire led by the Supreme Dalek, which served the Dalek Prime before their defeat at the hands of the "Rebel" Dalek army led by Davros, who usurped control of the Dalek homeworld of Skaro. (COMIC: Emperor of the Daleks) With Davros establishing himself as the new Emperor Dalek, his Daleks became the new Imperial Daleks whilst the Supreme's followers were classed as Renegade Daleks. (TV: Remembrance of the Daleks)