In 2005, Sachdev became the eighth Indian player to be awarded the Woman Grandmaster title. She won India's
National Women's Premier Chess Championship in 2006 and 2007. In 2007, she also won the Women's
Asian Chess Championship with 6½ points out of nine rounds in
Tehran. She was conferred with the
Arjuna Award in 2009. In 2016, Sachdev won the best woman prize at the
Reykjavik Open and won the women's
Commonwealth champion title in
Kalutara. She has played for the Indian national team in the
Women's Chess Olympiads since 2008, the Women's
World Team Chess Championship in 2009 and 2011, the Women's
Asian Team Chess Championship since 2003, the
2006 Asian Games, and the
2009 Asian Indoor Games. Sachdev won the individual bronze medal for board 3 at the
2012 Women's Chess Olympiad in
Istanbul, four team silver medals (in 2008, 2009, 2012, and 2014) and four individual ones (three silver and one bronze) at the Women's Asian Team Championship. In 2015, Sachdev won a silver medal in the Asian Continental Women's Rapid Chess Championship. Sachdev has presented a Fritztrainer Strategy DVD for
Chessbase and was a member of the official commentary team for the 2013 (Chennai)
World Championship Match between
Magnus Carlsen and
Viswanathan Anand. In July 2019, Sachdev won Commonwealth women's championship and defended her title. In September 2024, Sachdev was part of the Indian team which won the gold medal in the women's competition at the
45th Chess Olympiad in
Budapest, Hungary, the first time the country had taken the Olympiad title. In February 2025, she received the BBC Changemaker of the Year 2024 award. ==Personal life==