However, the force refuted media reports about anti-India fidayeen camps operating from Bangladeshi territory.
"I have never heard of such camps or any such knowledge of them," BGB (ADG) Brigadier General Md Latiful Haider told PTI in an interview here.
"We are taking stern action to curb anti-India activity, including insurgent activity, on our soil. Recently we seized a huge cache of arms in Syllet bordering India. We have zero tolerance for such things," he said.
Asked if the arms were bound for India to fuel insurgent activity, Haider, who led a team of the BGB for border-level talks with the BSF, said it might be the case, but an investigation would reveal the truth.
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"It may be that the arms consignment was for insurgent groups, but right now an investigation is on. So let it be completed. We will never allow any anti-India activity to happen in Bangladesh," he said.
Haider, however, declined to comment if militant groups like HUJI or Pakistani intelligence services working against India were involved in it.
Recently during DG level talks, the BSF handed to the BGB a list of 45 Indian insurgent groups operating within 5-15 km of the Bangladesh border in the Northeast.