Tejashwi Yadav and Tej Pratap Yadav held cycle march protest in Patna.
RJD workers also participated in the cycle march protest.
The demonstration was held to mark protest against the fuel price hike.
In Delhi, price of diesel crossed Rs 80/litre mark on Thursday.
Diesel has become costlier than petrol in the national capital.
For the 19th day in a row, state-run oil companies raised prices of diesel.
