Meaning of duguna banana in english
Interpreting duguna banana - दुगुना बनाना
As noun :
double Ex:  When playing the double bass Lombardo uses the "heel-up" technique.
Suggested : twice as large, heavy, strong, etc twofold in size, amount, number, extent, etc
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duguna banana
can be used as noun.. No of characters: 12 including consonants matras.
Transliteration :
dugunaa banaanaa