Nagra was born in Leicester, Leicestershire, England, to Sukha and Nashuter Nagra, Sikh factory workers who emigrated from the Punjab region of India in the 1960s.
A few months after sitting her A-levels and leaving school, Nagra was approached by Jez Simons, her former drama instructor, about becoming part of the Leicester-based theatre company Haithizi Productions, for which he served as the artistic director [REF].