Several PMK workers staged the protest led by party president GK Mani here.
Later, speaking to reporters, Mani allaged that the increase of Rs 10 per litre had severely affected the consumers, and asked the government to think over "if such a hike in indeed required."
The Tamil Nadu government had increased the rates of milk marketed by state-run Aavin by Rs 10, drawing sharp reactions from political parties and citizens alike with DMK and BJP among others staging protests against it.
PMK workers also opposed any move to revise electricity tariff, hearings for which are being held in different parts of the state.