Explanation:

- Option 1: Shivpal Singh

- Shivpal Singh is an Indian javelin thrower, but he did not win the Asian Games gold medal in 2018.

- Option 2: Devender Singh

- Devender Singh, another Indian javelin thrower, has not made such a notable achievement as winning gold in the 2018 Asian Games.

- Option 3: Vipin Kasana

- Vipin Kasana is known in the Indian javelin throwing circuit but did not secure a gold medal in the Asian Games 2018.

- Option 4: Neeraj Chopra

- Correct Answer: Neeraj Chopra became the first Indian javelin thrower to win an Asian Games gold medal in 2018. His victory was a historic achievement for India in athletics, establishing his presence on the international stage as a top javelin thrower.

Neeraj Chopra's win was significant as it marked a milestone for Indian athletics at the Asian Games.