Which was purvi's first episode in CID?

Purvi, portrayed by actress Shivani Tomar, made her first appearance in the long-running Indian television series "CID" in the episode titled "The Case of the Dead Man's Diary." This episode aired on March 17, 2013. Purvi joined the CID team as a forensic expert, contributing her skills to the investigations. Her character became a notable part of the series, adding a fresh dynamic to the team.