The trio surrended before Judicial Magistrate Hemanth Kumar, who remanded them to judicial custody for 15 days, police said.
The 37-year old Muthupandian was hacked to death, when he was going to a temple at Oomachikulam on April 15, they said.
The murder of Muthupandian, was said to be in retaliation to the killing of Pasupathipandian, Founder of Devendra Kula Vellalar Federation, in January 10, 2012 by an unidentified gang.