Siraj ud-Daulah
Before all these he was the one who helped Alivardi Khan resist all the 5 invasions of Maratha Confederacy, and 1 invasion of Durrani Empire, he also helped Alivardi in 3 tackle attack on Maratha Confederacy, and 1 tackle attack on Durrani Empire. His reign of just 1 year extended the control of  the Nawab of Bengal from Chhattisgarh to Parts of Thailand.