The Role of Priya Koothrappali by Aarti Mann

Priya Koothrappali, Raj’s younger sister, carved a significant niche in The Big Bang Theory from season four. A law student involved with Leonard secretly, she faces conflict over his friendship with Penny, concealed from Raj.

Despite Leonard distancing from Penny for Priya, her parents’ disapproval prompts her return to India. Their relationship, sustained through video chats, eventually collapses due to infidelity, marking the end of their together.