Marinate chicken, after pricking with fork, with yogurt mixed with 1 tsp salt, red chilly powder, coriander poder, cumin powder, ginger garlic paste, lemon juice. Keep it for atleast 1 hour before cooking. Mix tomato purie with cream and sugar.
Heat butter in a pan. Cook marinated chicken pieces till it dries. Then add tomato purie mixture. Cook on slow flame till desired consistency.