Bengal’s Nawabs and the Road to Plassey

A banking house in Murshidabad decided a battle before it even started. Jagat Seth and his allies promised Mir Jafar the throne if he stayed out of the fight.

Siraj-ud-Daulah lost Plassey in a single afternoon. Within seven years, a Mughal emperor signed away Bengal’s revenue for good, and the Nawabs became figureheads.

1How independent was Bengal’s Nawabi before Plassey?

Bengal ran its own affairs for decades before the Company took over.

• Murshid Quli Khan founded the effectively independent Nawabi of Bengal in the early 1700s, though he had earlier served as the Mughal Diwan of Bengal under Aurangzeb.
• Alivardi Khan ruled Bengal through the 1740s. He fought off repeated Maratha raids and kept the province prosperous and largely autonomous from Delhi.
• Alivardi Khan’s grandson, Siraj-ud-Daulah, inherited the throne in 1756 at a young age, amid rivalry from other claimants in the court.
• Bengal’s wealth, especially its textile and saltpetre trade, made it the richest prize among all Mughal provinces by this time.

2What actually decided the Battle of Plassey?

Plassey was decided by a conspiracy, not by the fighting itself.

• Siraj-ud-Daulah seized Calcutta in 1756 after a dispute with the British over fort defences, and the incident later called the Black Hole of Calcutta followed.
• Robert Clive recaptured Calcutta in early 1757, then turned on Siraj-ud-Daulah directly.
• Before the battle, Clive secretly struck a deal with Mir Jafar, Siraj’s own army commander, promising him the throne if he held his troops back.
• At Plassey on 23 June 1757, Mir Jafar’s forces stayed out of the fight. Siraj’s much larger army collapsed, and he fled the field.

3Why did Mir Qasim revolt, and why did Buxar matter more?

Plassey installed a puppet. Buxar is what actually broke Mughal resistance.

• Mir Jafar proved an unreliable puppet, so the Company replaced him with his son-in-law, Mir Qasim, in 1760.
• Mir Qasim moved his capital to Munger and tried to build an independent, better-armed state, free of Company interference in trade.
• He abolished duties on Bengal’s internal trade to compete fairly with Company merchants. This angered the British, and war followed.
• Mir Qasim allied with the Mughal emperor Shah Alam II and the Nawab of Awadh, Shuja-ud-Daulah, against the Company at Buxar in 1764.

4What did the 1765 Diwani grant actually change?

Buxar’s defeated emperor had little choice left but to sign away Bengal’s revenue.

• After Buxar, Shah Alam II had no army left capable of resisting Company demands.
• In 1765, under the Treaty of Allahabad, he granted the Company the Diwani of Bengal, Bihar and Odisha.
• Robert Clive set up the Dual Government: the Company collected revenue directly, while the Nawab’s officials kept running day-to-day justice and administration.
• This system left Bengal’s actual governance without clear accountability, and historians link it to the famine that followed within a decade.

5Who financed the coup, and what happened to Siraj and Mir Jafar?

Money moved the conspiracy. Betrayal and violence closed out its leading men.

• Jagat Seth, the banking house that financed much of Bengal’s trade, backed Mir Jafar’s conspiracy against Siraj-ud-Daulah, fearing the young Nawab’s hostility to their business.
• Siraj-ud-Daulah was captured while fleeing after Plassey and executed on Mir Jafar’s orders within days.
• Mir Jafar’s own son, Miran, ordered Siraj’s murder. Miran died three years later, reportedly struck by lightning.
• Mir Jafar himself was deposed once, briefly restored, and died in 1765, a largely powerless figurehead by the end.

6Why did Plassey become a template for British expansion?

Plassey’s method, not just its outcome, shaped how the Company expanded afterward.

• Plassey showed the Company a cheap method: back a rival claimant, buy off the enemy’s commanders, and win without a full-scale war.
• Keeping a figurehead Nawab let the Company collect revenue and avoid open claims to sovereignty, which could have provoked more unified resistance.
• The Company reused this pattern of indirect rule through compliant local rulers across other Indian states in the following century.
• Bengal’s wealth, now flowing to the Company, directly funded further military campaigns elsewhere in India.