Police on Thursday sealed a microfinance office at Jaganathpur Bazar near Raghunathpur block, 10 km from here and picked up its director for interrogation. Reports said that the micro finance organization was working at Raghunathpur area for past few years and was collecting money from the local people by luring them on the pretext of high interest. But after it failed to keep its promise, the depositor lodged an FIR at the Raghunathpur police station seeking return of money and action against the firm.