KOLKATA: A Bangladeshi national and two residents from Nadia and Siliguri were arrested for allegedly running an illegal telephone exchange, using an apparatus, called SIM Box, that camouflaged international calls as local ones by hiding the identity and numbers of the callers.
Bangla national Md Mamun was picked up from a rented flat near Kolkata airport, while Md Ershad and Ranjit Naha were arrested from Nadia and Siliguri by West Bengal Special Task Force.
Twenty-three SIM boxes, with 256 SIM slots, were seized from seven places, including Taltala. Seventeen routers, 400 SIM cards, laptops and data cables were seized in raids carried out from Dum Dum, to north Bengal to Bangalore and Mumbai.
