Don't substitute the ground version of any of the whole spices, the effect will not be the same. And don't use white cardamom pods. You may want to remove the smaller whole spices prior to adding the yogurt so that unwitting guests don't eat them. Try the recommended quantity of garlic. The flavour is surprisingly subtle.
More yogurt makes more gravy.
Also a longer cooking time. Vary the amount of chilies to suit your taste. This recipe is medium hot. I hope this satisfies your mouth-hunger. The spice quantities may be varied to suit your preferences.