Question: Pulan Visaranai is a 1990 Tamil language film directed by R. K. Selvamani, the  character of the antagonist Dharma (played by Anandaraj) is loosely based on which serial killer, what's the nickname of Indian serial killer Gowri Shankar?
Sentence (from "Auto Shankar"): Auto Shankar (January 21, 1954 – April 27, 1995) is the nickname of Indian serial killer Gowri Shankar.
Relevant evidence: Yes