 Najmuddin died soon afterwards, on May 8, 1766, apparently from a fever caught at a formal party given at Murshidabad fort in honour of Robert Clive.He was buried at Jafraganj Cemetery and was succeeded by his younger brother Nawab Nazim Najabat Ali Khan.Nazam-ud-Daulah was the son of Munni Begum (noble) and Mir Jafar.