What is the speed of milkha singh?

Milkha Singh, also known as the "Flying Sikh," was an Indian sprinter known for his remarkable speed. He achieved great fame in the 400 meters race, where he recorded a personal best of 45.73 seconds during the 1960 Rome Olympics, which remains one of the fastest times for that distance. His exceptional speed and athleticism made him one of India's greatest track athletes.