Marinate fish darnes in salt, lemon juice, malt vinegar, English mustard paste, ginger- garlic paste, red chilli sauce for half an hour. Pre-heat grill.
Stud marinated darnes with cloves, place them on hot grill and cook for eight to ten minutes (or until fish flakes easily with fork) turning once.
Do not overcook the fish. Remove cloves. To make salsa, cook corn niblets with half cup of water on Microwave HIGH (100%) for one minute. Drain.
Tear basil leaves with hand leaving aside a few for garnish. Mix together corn, onion, garlic, tomatoes, pineapple, jalapeno pepper, salt, basil leaves and lemon juice.
Mix well and add chopped coriander leaves. To serve: place salsa on a plate. Place grilled fish over it and garnish with reserved basil leaves.