Areas India redeveloped without any adults having specialist knowledge (7)
I believe the answer is:
insider
'knowledge' is the definition.
Although both the answer and definition are singular nouns, I don't see how they can define each other.
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for insider that I've seen before include "one's not allowed to trade" , "Dire sin (anag)" , "in prison?" , "One with special knowledge" , "One with privileged information" .)