The correct answer is: A. Viswanathan Anand
Viswanathan Anand became the youngest grandmaster of India at the age of 15 years and 10 months in 1988. He is an Indian chess grandmaster and former world champion. He is the first and only Indian to win the World Chess Championship, which he did in 2000, 2007, 2010, and 2012. He is also the first and only Indian to be the world number one in chess.
Dibyendu Barua became the second Indian grandmaster in 1986. He is an Indian chess grandmaster and former national champion. He is the first Indian to win the Commonwealth Chess Championship.
Pendyala Harikrishna became the third Indian grandmaster in 2001. He is an Indian chess grandmaster and former world junior champion. He is the first Indian to win the Isle of Man International Chess Tournament.
Praveen Thipse became the fourth Indian grandmaster in 2004. He is an Indian chess grandmaster. He is the first Indian to win the Cappelle-la-Grande Open.