To answer this question, you need to have knowledge about Indian badminton players and their achievements. Let's go through each option to understand why it is correct or incorrect:
Option A) Arpana Popat - Arpana Popat is an Indian badminton player, but she is not the first Indian to win the World Junior Badminton Championships. Therefore, this option is incorrect.
Option B) Saina Nehwal - Saina Nehwal is a renowned Indian badminton player who won the World Junior Badminton Championships in 2008. She became the first Indian to achieve this feat. Therefore, this option is correct.
Option C) Jwala Gutta - Jwala Gutta is an Indian badminton player who has achieved significant success in doubles events. However, she did not win the World Junior Badminton Championships. Therefore, this option is incorrect.
Option D) Aparna Balan - Aparna Balan is an Indian badminton player, but she did not win the World Junior Badminton Championships. Therefore, this option is incorrect.
The correct answer is option B) Saina Nehwal. She is the first Indian to win the World Junior Badminton Championships in 2008.