He represented India in Men's Hockey during the 2012 London Olympics.

[1] Khandker comes from a family of hockey players as his father, uncle and elder brother played the game.

[2] Tushar Khandker made his debut in for India in 2003 when he was included in the Hockey Australia Challenge Cup in which he scored in his first game.

[3] Tushar is an alumnus of Jamia Millia Islamia, New Delhi.

[4] During the auction of the inaugural season of the Hockey India League, Khandker was bought by the Uttar Pradesh franchise for US$14,000[5] with his base price being US$13,900.