We are from Pvt Ltd. company, we doesn't have servicing facility in india & do not have service tax nos also, though one of our customer is insisting us to repair few of imported electronic components, so we have been send it to Singapore and get it repaired by our principal's.
Now we need to be raise a bill to customer for repairing charges, so please let us know how to go ahead in this regard ??
whether we need to be raise tax invoice ?? whether we need be raise debit note ??