GST on Consultancy services

Incase of engineering service rendered to you . The service provider is liable to charge GST under frwd charge. Since the same is not covered under RCM

Even He needs to charge GST only if his turnover exceeds 10/20 lakh depending on states.

GST is not required to be paid on RCM basis in the scenario mentioned by you. However, the service provider should pay GST is his turnover is more than the prescribed threshold and give a GST tax invoice