Visakhapatnam, located in the state of Andhra Pradesh in India, is often referred to as the "City of Destiny." The nickname is associated with the city's rapid growth, development, and its strategic importance as a major port on the eastern coast of India. Visakhapatnam is known for its natural beauty, picturesque beaches, and as an emerging industrial and economic hub in the region. The title "City of Destiny" reflects the optimism and aspirations associated with the city's future prospects and development.

Each year on 24th May, Commonwealth Day is commemorated. Commonwealth Day is observed on the birthday of Queen Victoria of England, who was born on 24th May, 1819, and is observed by all countries which were once a colony of the British Empire.

The longest river in the world is the Nile. Therefore, the correct answer is (D) Neil (Nile). The Nile River is a major north-flowing river in northeastern Africa and is generally considered the longest river globally, with a length of approximately 6,650 kilometers (4,130 miles).