Mumbai, July 26: In a first ever joint operation, SEBI and income tax department today carried out searches and inspections at the premises of Bansal Sharevest Services Ltd and associated entities in the city to crack down illegal or "dabba" trading in shares. The market regulator was also conducting searches at the premises of the NSE broking entity and its director Pradeep Kumat Bansal, both already barred from dealing in securities, SEBI sources said. Bansal had been allegedly carrying out illegal trading operations from places like Kanpur and Kolkata, they said, adding that IT Department was also carrying out searches at the broker's premises. Bureau Report