Impermissible(adjective)
That cannot be allowed.
Hindi meaning:नाजायज
Synonyms: Inadmissible, Illicit, Prohibited, Taboo
Antonyms: Alright, Legal, Admissible, Allowable
Example: It seemed impermissible to allow even a child to take its inventions quite so seriously.
Trick to remember: Waha permission milna impermissible h 
