Etihad Airways review: Compensation

I had a flight from Auh to bom, on 23 November 2023, Pnr number is QD9FTS. I was denied boarding as it was an oversold flight . I asked Vishal for compensation for bumping me off the flight and he gave to a voucher of $200 which is half of the 400 euro you mention on your website and even after showing him, he refused to understand and became extremely rude. I had asked them for food vouchers but did not get any and the said the hotel will provide a buffet dinner….but since they provided a hotel so far from the airport …. It was closed long before we could even get there. We were told you have to go and buy something for our selves and that room service wasn’t included either… at 1am while I was already asleep someone came knocking and handed me half a sandwich (is that supposed to be dinner?) and that to it had mayonese, considering I am a vegetarian I definitely wouldn’t eat that. The whole situation was handled horribly … please help and message on [protected]@yahoo.com