Officials said the security cover will be provided by the CISF that has a dedicated wing for this task, called the special security group (SSG).
While Union minister and Asansol MP Babul Supriyo will contest from Tollygunge in Kolkata, Rajya Sabha MP Swapan Dasgupta will enter the fray from Tarakeshwar.
BJP sources said that the move is aimed at countering TMC’s strategy, which proved successful in previous elections.
Speculations that Chatterjee might join BJP has been rife for the past few days after senior BJP leader Anirban Ganguly went to meet the national award-winning actor
Dasgupta was welcomed to the saffron camp by BJP national general secretary Kailash Vijayvargiya and party national vice-president Mukul Roy.