One may be taken to court for fraudulent scheme (6)
I believe the answer is:
racket
'fraudulent scheme' is the definition.
(synonyms)
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for racket that I've seen before include "Dodgy business" , "fiddle" , "Din, clamour" , "Loud and disturbing noise" , "Cowboy contest" .)