Meaning of (दुगना करना[होना) dugana karna[hona in english
As noun :
double Ex:  39 for oboe, clarinet, violin, cello, and double bass.
Suggested : twice as large, heavy, strong, etc twofold in size, amount, number, extent, etc
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(दुगना करना[होना) dugana karna[hona
can be used as noun.. No of characters: 15 including consonants matras.
Transliteration :
duganaa karanaa[honaa