1.      Beginning of the colonial empire: – Mir Jafar became a mere ‘puppet ruler’ and the power rested with the British. On every matter he depended on the English. The Battle of Plassey paved the way for beginning of their empire.

2.      Burden on Hindoostan ex-chequer; – The British enjoyed the tax benefits, had to compete with no rival foreign merchants and began to use the revenue of Bengal for protecting their military and trade interest.

3.      Loss of Sovereignty – Mir Jafar gave 24 Parganas and one crore of rupees to the Company and valuable Siraj presents to the English officers including Clive.

4.      Starting of real Drain of wealth:-It depleted the state exchequer. So much wealth was drained from Bengal that the economy was completely shattered. This is known as the Plassey Plunder. With the wealth of Bengal the British secured their business and political supremacy.