"Those involved in the blast at Khagragarh had rented the house in July. How did they infiltrate? What were you (Centre) doing then? Why were they not prevented from producing (bomb-making) the materials?" Banerjee said at a party workers' meet here.
"Policing the border is the Centre's responsibility. Why did they not prevent them?" she said.
Cautioning that some blasts might be orchestrated and then the blame the state government for them, she told party workers "I am asking you to be cautious as by causing a blast, the blame could be put on the state government."
She asked the party workers to report any untoward incident to the nearest police station and said "You should also report if there are any arms training."
She pointed to a senior minister in her government, Partha Chatterjee who had alleged "the administration has definite information that behind the route march and drill by people clad in khaki shorts, arms training is being given.
"We have also heard Durga Vahinis are being raised. Communal forces are being encouraged," Chatterjee had said on November 20.
