Tandoori Marinade - This is a basic marinade for anything cooked Tandoori style. It could be used for Chicken, Lamb or Shrimp.
One substitution that could be made is ghee for the unsalted butter. Ghee is an Indian butter type product. Tandoori Marsla is a common... http://www.everylastrecipe.com/crecipedisplay-id-5331.asp