BJP politician Suvendu Adhikari and Locket Chatterjee, the party's state general secretary, were detained as they travelled to the Nabanna Avijan. In Alipore, they were held captive.
Also, another BJP leader, Rahul Sinha, was detained as Bengal BJP workers clashed with police during a protest march against the TMC government.
Suvendu Adhikari, Locket Chatterjee, and Rahul Sinha, three members of the BJP, were detained and taken to the Lalbazar headquarters of the Kolkata Police.
The march is being carried out in protest against the alleged corrupt practices of the TMC government.