Meaning of (अमान्यकरण करना) amanyakaran karna in english
As noun :
invalidation Ex:  The invalidation of an act, an election
Suggested : to render invalid discredit
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(अमान्यकरण करना) amanyakaran karna
can be used as noun.. No of characters: 14 including vowels consonants matras.
Transliteration :
amaanyakaraNa karanaa