1.Combine oil, rind, juice, garlic, chilli and octopus in large bowl. Cover and refrigerate 3 hours or overnight.
2.Combine ingredients for sweet lime and ginger dressing in a screw-top jar and shake well.
3.Cook octopus on heated oiled grill plate (or grill or barbecue) about 10 minutes.
4.Combine mizuna, peas, chestnuts, capsicum, sprouts and coriander in large bowl with dressing. Sprinkle salad with sliced chill; serve salad accompanied with octopus.