Meaning of (कलंक का) kalank ka in english
As noun :
black Ex:  In many styles its use is reserved for practitioners with black belt ranks
Suggested : lacking hue and brightness absorbing light without reflecting any of the rays composing it
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(कलंक का) kalank ka
can be used as noun.. No of characters: 7 including consonants matras.
Transliteration :
kala.nka kaa