The present invention discloses robotic process automation (RPA) of supply chain management (SCM) operations. In example embodiments the invention discloses RPA method and systems for supply chain management. The RPA systems include IOT devices and server as part of a sub network for secured communication relating to SCM operations like procurement operations. The system and method of the present invention utilizes AI based processing logic using a bot for automation of SCM operations thereby reducing the processing times and increasing efficiency.