Kolkata, Aug. 2 -- The Birbhum district police in Bengal on Sunday raided the homes and offices of several people associated with Md Nazibuddin alias Tulu Mondal, the absconding kingpin of an illegal stone quarry and sand business.

Officials aware of the probe said the investigation focused on his modus operandi which deprived the state of revenue worth hundreds of crores during the Trinamool Congress (TMC) regime.

"Closure notices were sent to eight stone quarries because they were operating without a valid licence. Mondal's nephew SK Wasim was arrested from Siliguri on Friday while trying to flee to Nepal. Police raided the homes and offices of more relatives and associates of Mondal on Saturday and Sunday," a Birbhum district police ...