It should be judiciously seasoned with sweet and aromatic spices - very light on chilis, if any at all.

Keep in mind, this recipe was established long before the Portuguese brought chili peppers to India. In southern India, pre-chili dishes were made hot with large doses of black pepper and ginger, but these were not much available in the North.

Keep also in mind, a blue ribbon Rogan Josh isn't automatic - or it wouldn't be the definitive test for hiring a new cook in the region.