Rajkot: An employee of a courier firm was tied to the chair and robbed of Rs 15 lakh cash kept in the office on Gondal Road on Wednesday evening. According to preliminary information, the victim told police that he had received Rs 15 lakh in the morning from his brother via courier which had to repaid to someone. He had kept the cash in the office. Sometime around 7:30pm, three people came to the office and said they had a courier to send. Suddenly, one of the held the employee at knife point and they tied him to the chair. The trio then took away the cash and fled from there. The man was freed by the courier firm owner who reached the office after sometime. Senior police officials and a team of Malaviyanagar police station reached the spot and began investigation. The office is located on a busy road that witnesses heavy rush of vehicles and people in the evening time. Deputy commissioner of police (DCP) Manoharsinh Jadeja told TOI: "We are verifying the details given by the victim. The trio did not take away his mobile and the costly watch. They did not even inflict any wounds on him." The courier firm had started operations here on April 1.