I have an invoice from makemytrip. I don't know to pass an entry in tally ERP9. I invoice the Fare Charges are 4316/- , makemytrip service fees are 245.76 and GST is 18%, which is on Service Fees. The total invoice is of Rs.4616/- which includes Rs10/- as donation amount.Should I consider it as IGST 18% as the flight travelling is from Mumbai to Hyderabad. Our is a proprietory concern