Indian History·Definition

Bengal under Nawabs — Definition

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Version 1Updated 8 Mar 2026

Definition

Bengal under the Nawabs refers to the period in Indian history, primarily spanning from the early 18th century (around 1717) to the mid-18th century (1757), when the province of Bengal, Bihar, and Orissa transformed from a Mughal subah into a largely autonomous regional power.

This era began with Murshid Quli Khan, who, while serving as the Mughal Diwan and later Subahdar, effectively established an independent administration, laying the groundwork for a new dynastic rule. The Nawabs, though nominally acknowledging the Mughal Emperor, exercised de facto sovereignty, controlling revenue, justice, and military affairs within their territories.

This period is crucial for UPSC aspirants as it illustrates the broader phenomenon of Mughal decline and the rise of successor states across India.

Murshid Quli Khan (1717-1727) was the architect of this independence. He centralized the revenue administration, replacing the Jagirdari system with the Ijaradari system, which brought greater financial stability to the province. He shifted the capital to Murshidabad, symbolizing the new center of power. His policies fostered economic prosperity, making Bengal one of the wealthiest regions in India, attracting European traders.

His successor, Shuja-ud-Din (1727-1739), continued these policies, further consolidating the Nawabi's hold over the region and expanding its influence. The period saw relative peace and continued economic growth, with Bengal's rich agricultural produce and thriving textile industry drawing significant European trade.

Alivardi Khan (1740-1756), who usurped power, proved to be a formidable ruler. He successfully defended Bengal against repeated Maratha invasions, though at a significant cost, including the payment of 'Chauth' (tribute) and the cession of Orissa.

He was acutely aware of the imperialistic designs of the European trading companies, particularly the British and French, and skillfully kept them in check, preventing them from fortifying their settlements or interfering in local politics.

His reign was a delicate balancing act, protecting Bengal's autonomy from both internal and external threats.

However, the reign of Siraj-ud-Daulah (1756-1757), Alivardi Khan's grandson, marked the tragic end of independent Nawabi rule. Facing internal conspiracies from disgruntled nobles like Mir Jafar and powerful bankers like Jagat Seth, coupled with the aggressive expansionist policies of the British East India Company, Siraj-ud-Daulah found himself in a precarious position.

His conflict with the British escalated over issues like the fortification of Calcutta and the misuse of trade privileges (Dastaks). This culminated in the infamous Battle of Plassey in 1757, where the treachery of Mir Jafar and others led to Siraj-ud-Daulah's decisive defeat.

From a UPSC perspective, understanding Bengal under the Nawabs involves analyzing the administrative and economic innovations that fostered regional prosperity, the challenges posed by Maratha incursions, and critically, the escalating conflict with the British East India Company.

This period serves as a foundational study for comprehending the eventual British conquest of India, highlighting how a prosperous and seemingly independent regional power succumbed to a combination of internal weaknesses and external aggression.

The Battle of Plassey is not just a battle but a turning point, signaling the beginning of formal British colonial rule in India and the end of Bengal's autonomy, ushering in an era of economic exploitation and political subjugation.

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