 Therefore, historian Dasharatha Sharma doubts the historicity of the other raids described in the "Hammira Mahakavya", and considers its "digivjaya" account as fictitious.The Balvan inscription mentions that Hammira performed a ritual sacrifice known as "Koti-yajna" twice.This sacrifice appears to have been similar to the Ashvamedha ceremony, which was proved by ancient Indian kings to prove their sovereignty.