In a wok add 2 tbsp oil add whole spices when they splatters add chopped onion.saute untill they turn golden brown,then add tomato paste,add salt as per taste,cover and cook for 4-5 minutes.then add remaining red chilli powder, Coriander powder and turmeric powder. Mix well and cook untill the oil release.now add kasuri methi and garam masala powder and 1tbsp gram flour mix it.add one cup water and cook for 3-4 minutes on medium flame.switch off the flame.