You mean Devanagari. Hindi has no script of it's own. Few other Indian languages also use Devanagari. Eg: Sanskrit, Marathi, Konkani.
A bit of googling says that it can be called both Roman and Latin.
Yay for trivia!
/Indian
I wouldn't mind normally, but in the case of 'few' vs 'a few' it can be genuinely confusing because there is a drastic change of meaning.