Upwork is not registered in India, for every transaction an invoice will be created that you will be able to download. For any additional details I would suggest to consult yourself with a local specialist, thank you.
Please bear with us as this may take a little time to get information since we’re waiting on a response from another team. We appreciate your patience and will update you as soon as possible.
Edited to update:
One of our team members already reached out to you via a support ticket to assist you further.