Cut Okra into 1½ inch long pieces. Heat 1 tbsn oil in a pan and fry okra adding enough salt on medium heat till slighty browned (15-20 minutes). Keep aside. Meanwhile, grind prawns, onion, garlic,chilly powder and enough salt and turmeric to get a fine paste. Heat remaining oil in a pan and fry prawns mixture for 5-10 minutes, till prawns is cooked well. Mix in fried okra and adjust taste.Serve hot with rice.