A misspelling or incorrect word form intended to mean 'mandatory'

अनिवार्य

English Usage: "The rules are mendatory for all participants."

Hindi Usage: "नियम सभी प्रतिभागियों के लिए अनिवार्य हैं।"

A creative misspelling meant to suggest something that is necessary or required

आवश्यक

English Usage: "It was a mendatory aspect of the project."

Hindi Usage: "यह परियोजना का एक आवश्यक पहलू था।"