Clean the chicken and Cut it in small 1 inch cubes.Marinate it with Salt ,chilly powder, turmeric and lime juice or vinegar.
Take bamboo skewers and place this chicken cubes on it alternate with onions ,small tomatoes ,capsicum( red /yellow/green) as shown in the picture.
Let it rest for around 5 hours.
Preheat the oven at 360 degree and bake this for 40 minutes depending on the oven.
Just before placing this in the oven, spray it with oil thoroughly and spinkle with chat masala.
Serve hot with onion slices and lemon.