“We have received inputs that the Indian Mujahideen has hatched a plan to carry out some kind of subversive activities. We can’t say anything more on this at this moment,” the officer told Deccan Herald here on condition of anonymity.

Asked whether the famous Kali Temple in Kalighat is on the terror radar, the officer said: “We can’t disclose anything at this moment. We have definitely received some evidence that it is planning something.” Vehical movements in and around the airport and railway stations are being monitored and the police have been frisking vehicles to detect transportation of explosives.

The border guards along  Indo-Bangladesh border had been directed to keep extra vigil. Additional deployments had been made in areas where guard strength was inadequate, sources in the BSF said. Plainclothes police had been deployed at vulnerable points to thwart any possible terror attack of the banned outfit, police said.