Gukesh Dommaraju becomes youngest-ever world chess champion at 18.
Defeats defending champion Ding Liren in a dramatic final.
Achieved victory with a final score of 7.5-6.5 after two weeks.
Becomes the second Indian world chess champion after Anand.
Emotional moment as Gukesh celebrated his historic achievement.
Praised by PM Narendra Modi for his determination and talent.