hiring of tanker

'996601'   Rental services of road vehicles including buses, coaches, cars, trucks and other motor vehicles, with or without operator............ 18% GST with ITC

what is hsn code of Ammonia Gas Tanker Hire Charges ?

what is hsn code of Ammonia Gas Tanker Hire Charges ? 

what is hsn code of Ammonia Gas Tanker Hire Charges ? 

'996609'  .... Rental services of other transport vehicles n.e.c. with or without operator