The activists dispersed after the police used light force on them. Eight people have been detained following the violence and proceedings were on against 30-40 other people, a police official said.
Hardik Patel and others are accused of ransacking the office of Visnagar MLA Rishikesh Patel during the protest rally of Patidar community in July 2015.
The 34-year-old former Arsenal and Manchester United star is the Netherlands' all-time top scorer with 50 goals.
A scuffle broke out during a general body meeting of the civic body here today after two AIMIM corporators refused to stand up when 'Vande Mataram' was played.
The case has been filed in Darbhanga district of the state against the Rashtriya Janata Dal leader over his tweet that sought to equate the national song with beating up or killing people
The conclave which began with Defence Minister Arun Jaitley's session on India's defence preparedness ended with Home Minister Rajnath Singh's list of achievements against terror forces in different parts of the country.
Rajnath Singh said that the government was working to find a permanent solution to the Kashmir problem and all steps taken by the Centre have been in that direction only.