Majority of the times the topics are from the current affairs. It can be from politics, business or general topics. You can expect general elections 2019, GST, Demonitization, Rafale Deal, FDI, Make In India or oither latest topics for GDs. General topics can be like on mobile phones, corruption, Increasing pollution, GDP, Women safety etc. You need to prepare well for the GDs and practice a lot to speak and most importantly to LISTEN. Get the newspapers, watch news channels and listen to the debates. All the best.