Correct Option: D

Milkha Singh also known as Milky Singh is an Indian athlete, who represented India in the 1960 Summer Olympics in Rome and the 1964 Summer Olympics in Tokyo. He is nicknamed The Flying Sikh. Milkha Singh represented India in the 1956 Melbourne Olympics, where his inexperience showed. Thereafter, he won gold medals in both the 200m and 400m events at the 1958 Asian Games, clocking 21.6 seconds and 47 seconds respectively. He progressed to win a gold medal in the 400m competition at the 1958 Cardiff Commonwealth Games, with a time of 46.16 seconds. This latter achievement made him the first gold medallist at the Commonwealth Games from independent India. Subsequently, he competed in Pakistan and his successes there earned him the nickname of The Flying Sikh.