De-bone the tandoori chicken and shred in small pieces.
In a kadhai, heat oil, add ginger garlic paste and sauté for a minute.
Now add tomato puree and cook for 7-8 minutes on medium flame.
Once the gravy starts thickening, add all dry Masalas and little salt (as tandoori chicken is served with salt), milk, sugar, ½ cup water and cook again for few minutes.
Now add shredded chicken to this gravy and cook for few minutes.
add cream (leaving one small spoon for garnishing) and mix gently. Reduce the flame before you add the cream.
Turn off the flame once ready, garnish with a dash of cream and serve hot with tandoori roti or naan.