Explanation:

- Option 1: Milkha Singh was a renowned Indian sprinter but did not win a world championship title. He was famously known as "The Flying Sikh" and achieved significant success in Asian Games and Commonwealth Games.

- Option 2: Lila Ram was an Indian wrestler who excelled in national and international events but didn't become a world champion.

- Option 3: Ramanathan Krishnan was a celebrated Indian tennis player but is not known as the first world champion post-independence.

- Option 4: Wilson Jones was a legendary Indian billiards player and became the first Indian to win the World Amateur Billiards Championship in 1958, marking an outstanding milestone in Indian sports.