Preethi is undertaking a PhD in Law at Lancaster University, UK where she is researching practices of untouchability, focusing on manual scavenging and caste-based discrimination in higher educational institutions in India. She was a Lecturer at NLSIU, Bangalore, and an Advocate in the Karnataka High Court, Bangalore. She previously interned with the National Commission for Scheduled Castes, New Delhi and His Lordship Justice Chelameswar, Supreme Court of India.

Preethi holds a B.A.LL.B (Hons) with Gold Medal from the National Law School of India University, Bangalore and an LL.M in Human Rights from the University of Reading, UK.