According to police, CPI(M) legislator K Bhimrao and other party supporters were arrested from Guindy railway station here.
The workers squatted on rail tracks and raised slogans against the recent revision in fuel prices. However, rail services were not affected, police said.
Petrol price was on August 31 hiked by Rs 2.35 per litre and diesel by 50 paise even as an increase in rates of subsidised LPG price is likely next month in the bakcdrop of the falling rupee.