Image used for representational purpose. KOLKATA: The Enforcement Directorate (ED) on Monday carried out extensive raids at 12 different locations across West Bengal in connection with illegal coal mining and theft from public sector coal firm Eastern Coalfields Limited (ECL). According to sources, a large team of ED officials conducted the search operations at offices and residential addresses of businessman Ganesh Bagadia and Sanjay Singh. The raids were conducted since Monday morning in Kolkata's Lake Town area, Garia, Konnagar's Kanaipur in Hooghly district and North 24 Parganas in connection with the illegal trading of coal. The duo Bagadia and Singh are believed to be linked with illegal coal racket kingpin Anup Majhi, alias Lala, who is allegedly running the syndicate in connivance with Binay Mishra.