I think that I've found a quick way to translate a string in Devanagari to Unicode. CPAN has Unicode::Indic and Unicode::Indic::Devanagari. Unfortunately, there's a few problems with the code; however, I managed to get this far:

#!/usr/bin/perl

use strict;
no warnings;

use Unicode::Indic::Devanagari;

my $lang = Unicode::Indic::Devanagari->new();
print $lang->translate("namaskaaraM baagunnaaraa?");
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