They raised slogans against People for the Ethical Treatment of Animals (PETA) and alleged that the sport was banned based on Poorva's petition and set afire her effigy, police said.
However, police present there managed to put off the fire, they said.
Meanwhile, a group of students, affiliated to ABVP, were removed from near the Government Arts college, when they were preparing to observe a fast in support of Jallikkattu, police said.
They wanted to spread the message seeking support for Jallikattu through the users of social media like Facebook and Whatsapp.