Explanation: West Bengal is a state in eastern India, known for its rich cultural heritage, vibrant cities, and diverse geography. The capital of West Bengal is Kolkata, a city with a long history and significant cultural and economic importance. The Sunderbans Delta is a unique geographical feature located in the southern part of West Bengal, extending into Bangladesh. It is the world's largest mangrove forest and is renowned for its biodiversity, particularly the Bengal tiger.
The Sunderbans Delta is formed by the confluence of the Ganges, Brahmaputra, and Meghna rivers, creating a vast network of tidal rivers, creeks, and islands. This deltaic region is a UNESCO World Heritage site and is recognized for its ecological significance. The delta is home to a variety of flora and fauna, including the Royal Bengal tiger, which is the state animal of West Bengal.
The question asks for the capital of the state that has the Sunderbans Delta. Among the options provided, only Kolkata is the capital of West Bengal, the state that includes the Sunderbans Delta. The other options—Dispur, Bhubhaneshwar, and Raipur—are the capitals of different states (Assam, Odisha, and Chhattisgarh, respectively) and do not have the Sunderbans Delta within their territories.
Therefore, the correct answer is Kolkata, as it is the capital of West Bengal, the state that includes the world-famous Sunderbans Delta. Understanding the geographical and administrative divisions of India is crucial for correctly identifying the capital of a state and its associated landmarks.