Police lathicharged and detained BJP activists participating in 'Vijay Sankalp' bike rallies in several districts of West Bengal on Sunday.
The party is gearing up for the Lok Sabha elections 2019.
The BJP's campaign is seen as a counter to the Samajwadi Party's proposed bicycle rallies in December in which the SP chief, Akhilesh Yadav, will himself ride the vehicle.
Police and security forces have been put on alert to prevent any untoward incident taking place during the rally.
Mumbai, Aug 9: Social activist Anna Hazare today began his protest against the government for putting forth a “weak Lokpal bill” before Parliament, with a bike rally from Dadar to Azad Maidan in south Mumbai.