Bareword "Chennai" not allowed while "strict subs" in use at ...

##</code><code>##

$ perl -e '
> use strict;
> use warnings;
>
> our $TO_Chennai = "foobar";
>
> my $circle = "Chennai";
> my $file = "TO_" . "$circle";
> print $$file;'
Can't use string ("TO_Chennai") as a SCALAR ref while "strict refs" in use at -e line 9.