The correct answer is: A. Abhinash Mishra
Abhinash Mishra is an Indian chess grandmaster. He was awarded the title of Grandmaster by FIDE in 2016. He is the first Indian to win the World Youth Chess Championship in the under-12 category. He has also won the Commonwealth Chess Championship and the Asian Youth Chess Championship.
Arjun Singh is an Indian chess player. He is a FIDE Master and has won the National Under-19 Chess Championship. He is also a member of the Indian team that won the bronze medal at the World Youth Chess Olympiad.
Aromat SM is an Indian chess player. He is a FIDE Master and has won the National Under-17 Chess Championship. He is also a member of the Indian team that won the gold medal at the Asian Youth Chess Olympiad.
Sarvanand Saha is an Indian chess player. He is a FIDE Master and has won the National Under-15 Chess Championship. He is also a member of the Indian team that won the silver medal at the World Youth Chess Olympiad.
Abhinash Mishra is the most accomplished of the four players, having won the World Youth Chess Championship in the under-12 category. He is also the only player to have won the Commonwealth Chess Championship and the Asian Youth Chess Championship.