Grind onion ginger, garlic, chillies, coriander leaf, cloves, cinnamon stick, somb and keep aside. Grind tomato separately. In a cooker pour little oil and fry onions till golden brown, then add the grounded masala. Once it is done add tomatoes and stir for 5-6 minutes. To this mixture add coriander powder, turmeric powder, chicken masala, lemon and salt. Add chicken pieces and cook for 25 minutes. Goes well with rice, chapati, naan, or idiappam.