Please suggest Gujarati translation for word substantiation

substantiation in Gujarati - https://www.khandbahale.com/language/gujarati-dictionary-translation-meaning-of-substantiation

I use khandbahale.com to translate Indian language word meaning. substantiation in Gujarati ગુજરાતી Khandbahale Dictionary here is an url https://www.khandbahale.com/language/gujarati-dictionary-translation-meaning-of-substantiation