Barbecued Skewers Of Fish - Seekh Ki Machali

1 lb firm white fish
1 teaspoon salt
6 cloves garlic
1 1/2 inch fresh root ginger
1 tablespoon garam masala
1 tablespoon ground coriander
1 teaspoon cayenne pepper
4 oz plain yoghurt
1 tablespoon veg. oil
1 lemon
2 hot green chili peppers

Fillet and skin fish, then cut into 11/2 inch cubes. Put about 5
pieces on each skewer and sprinkle with salt. Make a paste from the
garlic, ginger, spices, and yoghurt and use to cover the fish. Leave
for a few hours, then grill. The skewers can be sprinkled with a
little oil during cooking, if required. Garnish with the lemon cut
into wedges and fine rings of seeded green chili pepper.