Gurdeep is of Punjabi descent.She was born in a SikhKhatri family of Kohli clan. After years of working on television and as a model, Gurdeep married Arjun Punj on 10 December 2006, her co-star from Sanjivani.
Gurdeep started her career as a model for various advertisements on Indian television. Most important role in her career was Dr. Juhi Singh on Sanjivani which earned her lots of accolades and later on she worked in Zee TV's Sinndoor Tere Naam Ka. After working on drama serials, she was part of STAR One's reality show Jet Set Go. She was also part of popular reality show of STAR One, Nach Baliye 2 along with her husband Arjun Punj.She played the role Bani after Prachi Desai on Kasamh Se in Zee TV.