The NIA is conducting raids in various parts of West Bengal and Jharkhand based on the leads provided by Tarikul Islam alias Sadiq, a chargesheeted accused in the Burdwan blast case, who was arrested on Tuesday.
Islam, who is an active member of banned Jamaat-ul Mujahideen Bangladesh (JMB) terror group, has provided significant inputs to the NIA prompting the agency to carry out searches at various locations these two States, sources said.
A team of the agency and anti-terror squad of the Jharkhand Police had on Tuesday arrested Islam from Ramgarh district of the State. He carried a cash reward of `5 lakh as he is alleged to be an important member of ‘Shoora’, the decision-making body of JMB.
The agencies had also recovered some cards used in mobile phones and laptops to store data following tip offs from Islam.
The NIA has taken Islam on a transit remand to Kolkata where he will be produced before the designated NIA court on Thursday.