On Thursday night, raids were conducted in Santoshpur Bazar in South 24-Parganas, Beniapukur and Premantle Street in Kolkata and Bashirhat in North 24-Parganas.

A couple owning a cell phone shop in Santoshpur Bazar and another from Premantle Street are being interrogated.

The owner of the shop in Santoshpur Bazar has reportedly said the persons who bought the SIM cards had given forged voters identity card. He, however, could provide a description of the man who bought the cards and a sketch has been drawn.

Raids were also conducted to nab one Huseinur Rehman, a resident of Nayadandi in Basirhat, who bought a majority of the SIM cards from Kolkata and the suburbs. A Madrasa teacher, Huseinur is absonding.