Baghmundi and Bankura in Purulia and West Midnapore districts of the state can be the possible hideouts for the Maoists at a time when paramilitary forces and the state police are engaged in security duty for the panchayat polls and the situation in the state has been relatively peaceful.
Also, Jharkhand home minister Nankiram Kanwar said though the operation is centered at Chhattisgarh, it might escalate to other states including West Bengal.
Chhattisgarh director general of police Ram Niwas said West Bengal government and other Maoist-hit states are being approached for assistance in the operation.
A West Bengal home department official, wishing anonymity, said the state was fully prepared to take on any armed squad that enters the state.
In the wake of Bastar massacre, security of top political leaders including chief minister Mamata Banerjee, Trinamool all India general secretary Mukul Roy, party MP Suvendu Adhikari, Sisir Adhikari and former chief minister Buddhadeb Bhattacharya is being increased.