Hello sir my father age is 70 years old he suffer with gangrene he have b.p and sugar .last year he purchase one sleeper he get some rashes slowly it will develop wound and surrounding black thick layer are form doctors remove that black slowly it will develop hole leg but treatment is regularly going .doctor say hole leg is remove .he removed leg ...after one year some thing is happen another leg near foots smell is coming black thick layer are formed.aim wondering doctors say same thing what should i do ? please advise sugar test ; FASTING IS 82 AFTER LUNCH IS 128 sugar lavel