Explanation: To understand the context of the question, it is important to know the geography and cultural aspects of West Bengal, particularly focusing on the city of Kolkata.
1. **ELEPHANTA CAVES**: The ELEPHANTA CAVES are a group of cave temples located on Elephanta Island in Mumbai Harbour, Maharashtra. They are not located near Kolkata. The ELEPHANTA CAVES are known for their rock-cut stone sculptures and are a UNESCO World Heritage Site. This statement is false and should not be included in the correct answer.
2. **Kolkata Port**: Kolkata is a major port city in West Bengal. The Kolkata port is indeed a tidal port. A tidal port is one where the water level changes significantly due to tidal movements, affecting the depth of the water and the ability of ships to enter and leave the port. The tidal nature of the port is due to its location on the Hooghly River, which is influenced by the tides of the Bay of Bengal. This statement is true and should be included in the correct answer.
3. **Language in Kolkata**: Bengali is the primary language spoken in Kolkata. Bengali is the official language of West Bengal and is spoken by the majority of the population in the state, including Kolkata. This statement is true and should be included in the correct answer.
Given these points, the correct answer is (D) Only 2, 3. The ELEPHANTA CAVES are not located near Kolkata, making the first statement false. The second and third statements are true, as the Kolkata port is a tidal port and the majority of people in Kolkata speak Bengali.
Understanding the geography and cultural aspects of West Bengal is crucial for comprehending the context of the question. The ELEPHANTA CAVES are a significant historical site, but they are located in a different state, while the tidal nature of the Kolkata port and the primary language spoken in the city are important local characteristics.