Vetinary hospital kottangal Give high dosage injection and my rabbit died

Ma rabbit got a fever and i visited the vetinary hospital kottangal, pathanamthitta,kerala. The docter prescribe one injection and i brought it from outside, docter gave the injection its 15ml injection. Inject in both the legs of my rabbit, after 10 mintues my rabbit died. Its very clear my rabbit is died due to over dosage of injection.