Traveling expenses under gst

Dear Sir,

Traveling expenses like Iam Attending Different Departments for office Work paid auto Charges this circustmence GST Applied under Revese Charge ??

Traveling expenses like Iam Attending China for My business Promote contact buyer this circustmence GST Applied under Revese Charge ??

Traveling expenses like chilli Grading in my factory premises iam paying auto charges to lobour GST Applied under Revese Charge ??