Released on March 22, 2019, the first season is a seven-part fictionalized retelling of the 2012 Delhi gang rape investigation.

In reality, the "index" refers to the annual crime data released by the Delhi Police. Recent data from early 2026 shows a complex picture of safety in the capital.

Shefali Shah (Vartika Chaturvedi), Rajesh Tailang (Bhupendra Singh), and Rasika Dugal (Neeti Singh).

Released on November 13, 2025, the third season tackles the harrowing world of international sex trafficking.