[6] Sandeep has an older brother, Bikramjeet, also a field hockey player who plays for Indian Oil.

Under his captaincy, the Indian team managed to clinch the Sultan Azlan Shah Cup in 2009 after defeating Malaysia in the finals at Ipoh.

The India men's national field hockey team have qualified for the 2012 Summer Olympics in London after a gap of 8 years.

Ace drag-flicker Singh starred in the final against France by scoring five goals – including a hat-trick – all from penalty corners (19th, 26th, 38th, 49th and 51st minutes).

[9] Sandeep Singh became the fifth highest-paid marquee player at the inaugural Hockey India League as the Mumbai franchise bought him for US$64,400[10] with his base price being US$27,800.

[13] On 22 August 2006, Singh was seriously injured after being hit by an accidental gunshot in the Kalka Shatabdi Express train, while on his way to join the national team due to leave for the World Cup in Africa two days later.

Singh not only recovered from that serious injury but also established himself again and played world cup for India in 2010 Indian team.

Indian filmmaker Shaad Ali made a biographical film, titled Soorma (lit.

[20] In December 2022, a junior athletics coach filed a complaint alleging that Sandeep Singh had sexually harassed her.