Abstract: The present disclosure relates to system(s) and method(s) for generating test data for testing an Internet of Things (IOT) network. Initially, the system is configured for receiving sensor ontology data of at least one sensor to be simulated for testing an Internet of things (IOT) network. The sensor ontology data may include a range of operation of the sensor and a frequency of operation of the sensor. Further, the system is configured for accepting a set of test scenarios for testing the IOT network. Furthermore, the system is configured for generating master test data for testing the IOT network, wherein the master test data comprises a set of test packages corresponding to the set of test scenario and the sensor ontology data.