KOLKATA: An illegal call centre, operating from a swanky office in a Sector V highrise, was sealed by Bidhannagar police on Monday. During a raid cops arrested seven employees of Vinheet Technologies while its two directors, Vineet Agarwal and Prem Lata Agarwal, are absconding. The accused duped foreigners in Belgium and other parts of Europe. Cops seized 26 computers, nine smartphones and cash worth Rs...