Cut chicken into small cubes and also cut capsicum,tomato and onion as the same size as chicken.
Now take 1/2 spoon of chilli powder,salt,yogurt,coriander powder,kasthori methi powder,cumin powder,ginger garlic paste,garam masala and half lime and mix well. Then add red coloring if needed. Important thing the marination should be nice thick,No water!!
Then marinate chicken and the cut tomato,capsicum & Onion in the above marination for about 2 hours in refrigtrator.
Pre heat oven to 500 degree and put the chicken for about 25 - 30 mins.Brush some oil on top of chicken before you put it in oven.Make sure you turn side of chicken in about 10 - 15 mins.
Remove chicken and u can add chat masala + mint leaves powder a little, onions and little lime juice for fresh flavour.
Chicken Tikka is ready to be served!! Enjoy tasty delicious chicken with no or very lil oil!!