Mix the yoghurt, tandoori paste and lemon juice together. Add the chicken pieces and coat well. Cover and leave to marinate in the fridge for 1 hour or more if wished! Thread onto 8 wooden skewers, alternating with the peppers and onions!
Lay the kebabs out on a clean baking tray, and in a preheated grill cook for 10 minutes on each side!
Serve with warm pitta bread,salad and soured cream!