early in adil shah's reign, he fought back a challenge from muhammad shah, ruler of bengal. at the battle of chhapparghatta in december 1555, adil shah and his hindu general hemu routed the bengal forces and muhammad shah was killed. the following year, following the child-emperor akbar's absence from delhi on a campaign, hemu attacked and defeated the regent tardi beg khan who fled the city. this was hemu's 22nd successive victory in battle and rather than appoint adil shah as ruler he appointed himself ruler.