Explanations:Andaman and Nicobar Islands are a union territory of India located in the Bay of Bengal. They are a popular tourist destination and are accessible primarily by air. The primary departure cities for flights to Andaman and Nicobar Islands are major metropolitan areas in India that have the necessary infrastructure and air connectivity to support regular flights to the islands.
Delhi, Mumbai, and Bangalore are the most common departure cities for flights to Andaman and Nicobar Islands. These cities are chosen because they are major hubs with significant air traffic and the ability to handle international and domestic flights. Delhi, being the capital city, has a well-connected international airport, Indira Gandhi International Airport, which serves as a gateway to many destinations, including the Andaman and Nicobar Islands. Mumbai, as a major commercial and financial hub, also has a well-connected airport, Chhatrapati Shivaji Maharaj International Airport, which facilitates travel to various parts of India, including the islands. Bangalore, known for its technological advancements and growing tourism industry, has Kempegowda International Airport, which also offers flights to the Andaman and Nicobar Islands.
Other cities like Ahmedabad, Amritsar, and Chennai, while significant in their own right, do not have direct flights to the Andaman and Nicobar Islands. Therefore, travelers from these cities would need to connect through one of the primary departure cities mentioned above.
It is important to note that the availability of flights and departure cities can vary based on the season and demand. However, for the purpose of competitive examinations and general knowledge, it is essential to remember that Delhi, Mumbai, and Bangalore are the primary departure cities for flights to Andaman and Nicobar Islands.