8^th house indicate mode or type of death may occur, moon indicates death by drowning, mars indicate by fire or explosion, rahu by accident, ketu by hanging mars and rahu in 8^th death may be due to accident or fire accident/bomb blast etc. rahu and ketu may indicate unnatural death like suicide, again in detail. Every planet has more than 100 karaktatva, mars may give accidental death also it means that death may be due to younger brother (mars indicate younger brother also apart from other 100s of thing) we need to analyze first horoscope has alpau Madhya aayu or deerga aayu ,then whether  if maraka dasha antardasha is running  or not and naisergik  desh kaal and paristhi and final conclusion she be interpreted.