Marinate chicken with lemon juice,lemon zest,red chilly powder,turmeric powder,ginger garlic paste,salt,sugar,kashmiri mirch powder and one tbsp oil for half an hour.Heat oil in a pan,add cumin seeds,cloves,black pepper,cinnamon to crackle,'Add sliced onion and saute for one to two mins.Add marinated chicken pieces and cover it and cook in a low flame until the chicken is soft.Serve with chapati or naan