Fishing in troubled waters(idioms)
Try to take advantage of a confused situation.
Hindi meaning:किसी का घर जले, कोई तापे
Synonyms: Exploit, Utilize, Benefit, Commercialize
Example: He often buys up stock in companies declaring bankruptcy fishing in troubled waters generally pays off.
Trick to remember: Troubled water ka Fishing in troubled waters karte hai fisherman. 
