Income Tax (IT) Department sleuths are conducting marathon raids and search operations at the residence of former Indian Football Association (IFA) Secretary Utpal Gangopadhyay in Kolkata since Monday morning. Sources said that raid and search operations are being conducted in relation to Gangopadhyay’s association with a foreign liquor manufacturing entity. The raids and search operations are being conducted at Gangopadhyay’s residence after surfacing of evidence of fund defalcation and income tax evasion.