Wash the fish without bones then dry with cloth, cut into medium size pieces.
Grind garlic and ginger finely.
Mix all the ground ingredients, color, salt and red chillie powder into yogurt
rub on the fish pieces and keep for one hour.
Stick on iron rod, then put on medium fire of charcoal grill.
Turn them frequently or grill untill nicely browned.
Serve with mint chutney and rice.