Heat three cups of water till boiling point. Add couscous and cover. Let it stand till couscous is well soaked. Meanwhile, remove rind of one lemon using a fine grater.
Extract juice from both lemons. Remove soaked couscous into a deep bowl and fluff up with a fork. -
Stir in raisins, ginger, lemon rind, cumin powder, lemon juice, cucumber, capsicum, spring onions and salt. Serve immediately.