knotty

making great mental demands; hard to comprehend or solve or believe; "a baffling problem"; "I faced the knotty problem of what to have for breakfast"; "a problematic situation at home"

फौजदारी का मामल ज्यादा पेचीदा है इसलिए संशोधनों के सुज्हव देने के लिए एक विशेषज्ञ समिति ग इत की गई है.

That is a knotty question to pose.