I've checked all Airbusses of Kingfisher Airlines with the tracker of Libhomeradar and Flight24.com. I could only see flights with the Airbus A320-232, VT
-KFX (c/n 3270) as the only Airbus still in operations. No tracking of other A319, A320 or A321 of Kingfisher.
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Photo © Xu Zheng
Here the only picture on A.net of VT