In 2007, he won the World Youth Chess Olympiad while representing India-U16, with Adhiban Baskaran, R. Ashwath, S. Nitin, and Swayams Mishra.

[3] In 2009, he participated in Asian Youth Chess Championship in Under-18 category, where he narrowly missed the Gold.

[4] In September 2011, he made his maiden GM norm while competing in the 4th Mayor’s Cup International Chess Tournament, in Mumbai.

[5] He got his second GM norm in the following month while competing in National Premier Chess Championship, 2011.

[6] Nikhil won the 26th National Youth Under-25 Chess Championship in 2017, where he scored 8 points over 9 rounds.