Mansi Sehgal was born and brought up in Delhi, India. Her academic journey led her through earning a B.Tech in Instrumentation and Control Engineering from NSIT, Delhi.

She participated in Campus Princess pageant and was one of the finalists. In 2019, Mansi was crowned Femina Miss India Delhi.

Post-college, she seamlessly transitioned into the world of theater and acting, becoming a frequent performer on stage. After her acting training in Delhi, she moved to Mumbai in 2023 for pursuing her career in acting.