Explanations:Port Blair, located in the Andaman and Nicobar Islands, is a significant port city that serves as a gateway to the islands. The Andaman and Nicobar Islands are a union territory of India and are situated in the Bay of Bengal. Due to their geographical location, the islands are connected to the mainland by both air and sea routes. Among the sea routes, passenger ship services are an important mode of transportation.
The cities connected by these ship services are Chennai, Kolkata, and Vishakhapatnam. These cities are chosen because they are major ports on the eastern coast of India, which allows for efficient maritime connectivity. Chennai, the capital of Tamil Nadu, is located on the southeastern coast of India. Kolkata, the capital of West Bengal, is situated on the eastern coast. Vishakhapatnam, a major port city in Andhra Pradesh, is also located on the eastern coast.
These cities are selected for ship services because they are major economic and cultural centers, and they have the necessary infrastructure to support maritime transportation. The ship services not only facilitate the movement of passengers but also play a crucial role in the economic and social development of the Andaman and Nicobar Islands.
It is important to note that the cities mentioned in the incorrect options, such as Jaipur, Bengaluru, and Delhi, are all inland cities and do not have ports. Therefore, they cannot be connected by ship services from Port Blair. This highlights the importance of understanding the geographical and logistical aspects of maritime transportation when considering the connectivity of different regions.