A simple FRA DEL return also has GST
This is a list of all the taxes, fees & surcharges payable per person.
Per adult
International/Domestic Surcharge 27,326 INR User Development Fee 63 INR Aviation Security Fee 1,064 INR Passenger Service Fee 91 INR Goods and Services Tax (GST) 3,904 INR Passenger Service Charge - Intl 3,036 INR Air Transport Tax 4,973 INR The German Aviation Security Charge is refundable if you are a transfer passenger arriving from the USA, Canada or Montenegro in Frankfurt without undergoing an additional security check by the Federal Police. For refund of this fee please contact the Service center 850 INR