KATHMANDU: Commerce Department, to put an end to illegal business of petrol and diesel, has recommended Nepal Oil Cooperation (NOC) to take action against nine petrol pumps and gas depots, which were found indulged in illegal activities during departmental inspection. Out of a total 19 pumps and depots inspected in the valley, the department found nine involved in the illegal activities. According to a press release issued here by the department, the department formed an investigation unit to investigate in the valley from mid July after it received a lots of compalints.