Tandoori Lamb Kebabs With Raita and Couscous

Name: Tandoori Lamb Kebabs With Raita and Couscous
Ingredients: 800 g lamb fillets (depending on appetites my hubby and son will eat 3 to 4 kebabs each where as I'm happy with 2); 3 tablespoons tandoori paste (I use Rajah brand); 150 g plain yogurt, pot; 1 tablespoon lemon juice; 300 g plain yogurt; 1 medium cucumber, Seeded and chopped (120g); 1 1/2 tablespoons of fresh mint, finely chopped; 1 teaspoon mint sauce; 2 (100 g) packages quick cook instant couscous (The brand I buy come in 100g individual sachets for 4 servings it is between 150g-200g ); 1 teaspoon vegetable stock powder; 1 small red pepper, finely chopped; 1/2 small yellow pepper, finely chopped; 1 small red onion, finely chopped; 3 green onions, thinly sliced; 2 tablespoons of fresh mint, finely chopped; 3 tablespoons fresh parsley, finely chopped; 1 tablespoon white wine vinegar; 2 tablespoons lemon juice; 3 tablespoons olive oil