Explanations:
To understand why Bengal was the largest province of British India, it is essential to delve into the administrative structure of the British colonial period. The British divided India into several provinces, each governed by a British official. These provinces were not the same as the modern states of India, which were formed after independence in 1947. The Bengal Presidency, established in 1765, was one of the earliest and largest administrative units under British rule. It encompassed a vast territory that included parts of present-day Bangladesh, West Bengal, Bihar, Jharkhand, and Orissa.
The Bengal Presidency was significant not only for its size but also for its economic and strategic importance. It was a major center for the cultivation of crops like indigo and jute, and it played a crucial role in the British East India Company's trade and economic activities. The city of Calcutta (now Kolkata) served as the capital of the Bengal Presidency and was a hub of British administrative and commercial activities.
The other options listed in the question do not fit the historical context. Maharashtra, Tamil Nadu, and Kolkata (which is a city, not a state) were not provinces during the British colonial period. Maharashtra and Tamil Nadu were part of larger administrative units, and Kolkata was a city within the Bengal Presidency.
Understanding the historical context of British India's administrative divisions is crucial for comprehending the political and economic landscape of the time. The Bengal Presidency's size and importance reflect the strategic and economic interests of the British in the region.