The protesters squatted on the road in protest and raised slogans against the attack, demanding action against those behind it.
They condemned the Gujarat government for the attack.
However, police removed the protesters including Thirunavukkarasar from the spot and lodged them in a marriage hall.
They would be released later in the day, police said.
Similar protest-demonstrations were held in other places including Nagercoil in Kanyakumari district.
Gandhi yesterday faced protests in flood-hit Gujarat where alleged BJP supporters hurled a cement brick at his car and showed black flags, forcing him to cut short his address at a gathering and leave in a huff.
Meanwhile, one person was today arrested in connection with the incident.
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